diff --git a/src/PostgrestClient.ts b/src/PostgrestClient.ts
index 5cd9be7d..38652acb 100644
--- a/src/PostgrestClient.ts
+++ b/src/PostgrestClient.ts
@@ -1,6 +1,5 @@
 import PostgrestQueryBuilder from './lib/PostgrestQueryBuilder'
 import PostgrestTransformBuilder from './lib/PostgrestTransformBuilder'
-import { PostgrestBuilder } from './lib/types'
 
 export default class PostgrestClient {
   url: string
diff --git a/src/lib/PostgrestQueryBuilder.ts b/src/lib/PostgrestQueryBuilder.ts
index 47b76b42..43a601d1 100644
--- a/src/lib/PostgrestQueryBuilder.ts
+++ b/src/lib/PostgrestQueryBuilder.ts
@@ -17,8 +17,19 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
    * Performs vertical filtering with SELECT.
    *
    * @param columns  The columns to retrieve, separated by commas.
+   * @param head  When set to true, select will void data.
+   * @param count  Count algorithm to use to count rows in a table.
    */
-  select(columns = '*'): PostgrestFilterBuilder<T> {
+  select(
+    columns = '*',
+    {
+      head = false,
+      count = null,
+    }: {
+      head?: boolean
+      count?: null | 'exact' | 'planned' | 'estimated'
+    } = {}
+  ): PostgrestFilterBuilder<T> {
     this.method = 'GET'
     // Remove whitespaces except when quoted
     let quoted = false
@@ -35,6 +46,12 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
       })
       .join('')
     this.url.searchParams.set('select', cleanedColumns)
+    if (count) {
+      this.headers['Prefer'] = `count=${count}`
+    }
+    if (head) {
+      this.method = 'HEAD'
+    }
     return new PostgrestFilterBuilder(this)
   }
 
@@ -52,10 +69,12 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
       upsert = false,
       onConflict,
       returning = 'representation',
+      count = null,
     }: {
       upsert?: boolean
       onConflict?: string
       returning?: 'minimal' | 'representation'
+      count?: null | 'exact' | 'planned' | 'estimated'
     } = {}
   ): PostgrestFilterBuilder<T> {
     this.method = 'POST'
@@ -67,6 +86,10 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
 
     if (upsert && onConflict !== undefined) this.url.searchParams.set('on_conflict', onConflict)
     this.body = values
+    if (count) {
+      prefersHeaders.push(`count=${count}`)
+      this.headers['Prefer'] = prefersHeaders.join(',')
+    }
     return new PostgrestFilterBuilder(this)
   }
 
@@ -78,11 +101,23 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
    */
   update(
     values: Partial<T>,
-    { returning = 'representation' }: { returning?: 'minimal' | 'representation' } = {}
+    {
+      returning = 'representation',
+      count = null,
+    }: {
+      returning?: 'minimal' | 'representation'
+      count?: null | 'exact' | 'planned' | 'estimated'
+    } = {}
   ): PostgrestFilterBuilder<T> {
     this.method = 'PATCH'
-    this.headers['Prefer'] = `return=${returning}`
+    let prefersHeaders = []
+    prefersHeaders.push(`return=${returning}`)
+    this.headers['Prefer'] = prefersHeaders.join(',')
     this.body = values
+    if (count) {
+      prefersHeaders.push(`count=${count}`)
+      this.headers['Prefer'] = prefersHeaders.join(',')
+    }
     return new PostgrestFilterBuilder(this)
   }
 
@@ -93,16 +128,41 @@ export default class PostgrestQueryBuilder<T> extends PostgrestBuilder<T> {
    */
   delete({
     returning = 'representation',
-  }: { returning?: 'minimal' | 'representation' } = {}): PostgrestFilterBuilder<T> {
+    count = null,
+  }: {
+    returning?: 'minimal' | 'representation'
+    count?: null | 'exact' | 'planned' | 'estimated'
+  } = {}): PostgrestFilterBuilder<T> {
     this.method = 'DELETE'
-    this.headers['Prefer'] = `return=${returning}`
+    let prefersHeaders = []
+    prefersHeaders.push(`return=${returning}`)
+    this.headers['Prefer'] = prefersHeaders.join(',')
+    if (count) {
+      prefersHeaders.push(`count=${count}`)
+      this.headers['Prefer'] = prefersHeaders.join(',')
+    }
     return new PostgrestFilterBuilder(this)
   }
 
   /** @internal */
-  rpc(params?: object): PostgrestTransformBuilder<T> {
+  rpc(
+    params?: object,
+    {
+      head = false,
+      count = null,
+    }: {
+      head?: boolean
+      count?: null | 'exact' | 'planned' | 'estimated'
+    } = {}
+  ): PostgrestTransformBuilder<T> {
     this.method = 'POST'
     this.body = params
+    if (count) {
+      this.headers['Prefer'] = `count=${count}`
+    }
+    if (head) {
+      this.method = 'HEAD'
+    }
     return new PostgrestTransformBuilder(this)
   }
 }
diff --git a/src/lib/PostgrestTransformBuilder.ts b/src/lib/PostgrestTransformBuilder.ts
index 80d874ba..a94c93c8 100644
--- a/src/lib/PostgrestTransformBuilder.ts
+++ b/src/lib/PostgrestTransformBuilder.ts
@@ -59,10 +59,7 @@ export default class PostgrestTransformBuilder<T> extends PostgrestBuilder<T> {
    * @param count  The maximum no. of rows to limit to.
    * @param foreignTable  The foreign table to use (for foreign columns).
    */
-  limit(
-    count: number,
-    { foreignTable }: { foreignTable?: string } = {}
-  ): this {
+  limit(count: number, { foreignTable }: { foreignTable?: string } = {}): this {
     const key = typeof foreignTable === 'undefined' ? 'limit' : `"${foreignTable}".limit`
     this.url.searchParams.set(key, `${count}`)
     return this
@@ -75,11 +72,7 @@ export default class PostgrestTransformBuilder<T> extends PostgrestBuilder<T> {
    * @param to  The last index to which to limit the result, inclusive.
    * @param foreignTable  The foreign table to use (for foreign columns).
    */
-  range(
-    from: number,
-    to: number,
-    { foreignTable }: { foreignTable?: string } = {}
-  ): this {
+  range(from: number, to: number, { foreignTable }: { foreignTable?: string } = {}): this {
     const keyOffset = typeof foreignTable === 'undefined' ? 'offset' : `"${foreignTable}".offset`
     const keyLimit = typeof foreignTable === 'undefined' ? 'limit' : `"${foreignTable}".limit`
     this.url.searchParams.set(keyOffset, `${from}`)
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 9d6c363f..53f6782f 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -26,12 +26,14 @@ interface PostgrestResponseSuccess<T> extends PostgrestResponseBase {
   error: null
   data: T[]
   body: T[]
+  count: number | null
 }
 interface PostgrestResponseFailure extends PostgrestResponseBase {
   error: PostgrestError
   data: null
   // For backward compatibility: body === data
   body: null
+  count: null
 }
 export type PostgrestResponse<T> = PostgrestResponseSuccess<T> | PostgrestResponseFailure
 
@@ -80,18 +82,36 @@ export abstract class PostgrestBuilder<T> implements PromiseLike<PostgrestRespon
       body: JSON.stringify(this.body),
     })
       .then(async (res) => {
-        let error, data
+        let error, data, count
         if (res.ok) {
           error = null
-          const isReturnMinimal = this.headers['Prefer']?.split(',').includes('return=minimal')
-          data = isReturnMinimal ? null : await res.json()
+          if (this.method !== 'HEAD') {
+            const isReturnMinimal = this.headers['Prefer']?.split(',').includes('return=minimal')
+            data = isReturnMinimal ? null : await res.json()
+          } else {
+            data = null
+          }
+
+          const countHeader = this.headers['Prefer']?.match(/count=(exact|planned|estimated)/)
+          if (countHeader) {
+            const contentRange = res.headers.get('content-range')?.split('/')
+            if (contentRange && contentRange.length > 1) {
+              count = parseInt(contentRange[1])
+            } else {
+              count = null
+            }
+          } else {
+            count = null
+          }
         } else {
           error = await res.json()
           data = null
+          count = null
         }
         const postgrestResponse: PostgrestResponse<T> = {
           error,
           data,
+          count,
           status: res.status,
           statusText: res.statusText,
           body: data,
diff --git a/test/__snapshots__/index.test.ts.snap b/test/__snapshots__/index.test.ts.snap
index e00e329e..15c9c5b8 100644
--- a/test/__snapshots__/index.test.ts.snap
+++ b/test/__snapshots__/index.test.ts.snap
@@ -27,6 +27,7 @@ Object {
       "username": "awailas",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -114,6 +115,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 2,
@@ -161,6 +163,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -194,6 +197,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -234,6 +238,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -288,6 +293,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 2,
@@ -356,6 +362,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -417,6 +424,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -478,6 +486,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -532,6 +541,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 2,
@@ -572,6 +582,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -633,6 +644,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -680,6 +692,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -706,6 +719,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -747,6 +761,7 @@ Object {
       "messages": Array [],
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "messages": Array [
@@ -806,6 +821,7 @@ Object {
       "messages": Array [],
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "messages": Array [
@@ -865,6 +881,7 @@ Object {
       "messages": Array [],
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "messages": Array [
@@ -924,6 +941,7 @@ Object {
       "messages": Array [],
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "messages": Array [
@@ -983,6 +1001,7 @@ Object {
       "messages": Array [],
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "messages": Array [
@@ -1022,6 +1041,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1048,6 +1068,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1074,6 +1095,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1100,6 +1122,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 2,
@@ -1133,6 +1156,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -1166,6 +1190,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1213,6 +1238,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1249,6 +1275,598 @@ Object {
 }
 `;
 
+exports[`insert, update, delete with count: 'exact' basic delete count: 'exact' 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": 4,
+  "data": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' basic delete count: 'exact' 2`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+  ],
+  "count": null,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' bulk insert with count: 'exact' 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": 2,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 201,
+  "statusText": "Created",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' bulk insert with count: 'exact' 2`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": null,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' insert with count: 'exact' 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": 1,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 201,
+  "statusText": "Created",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' insert with count: 'exact' 2`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": null,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' update with count: 'exact' 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": 4,
+  "data": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' update with count: 'exact' 2`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": null,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 7,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 8,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' upsert with count: 'exact' 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": 1,
+  "data": Array [
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 201,
+  "statusText": "Created",
+}
+`;
+
+exports[`insert, update, delete with count: 'exact' upsert with count: 'exact' 2`] = `
+Object {
+  "body": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "count": null,
+  "data": Array [
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 1,
+      "message": "Hello World 👋",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 2,
+      "message": "Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 1,
+      "data": null,
+      "id": 6,
+      "message": "foo",
+      "username": "supabot",
+    },
+    Object {
+      "channel_id": 2,
+      "data": null,
+      "id": 3,
+      "message": "foo",
+      "username": "supabot",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
 exports[`is 1`] = `
 Object {
   "body": Array [
@@ -1281,6 +1899,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1328,6 +1947,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1354,6 +1974,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1380,6 +2001,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -1413,6 +2035,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "channel_id": 1,
@@ -1446,6 +2069,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1464,6 +2088,7 @@ Object {
 exports[`missing table 1`] = `
 Object {
   "body": null,
+  "count": null,
   "data": null,
   "error": Object {
     "code": "42P01",
@@ -1487,6 +2112,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1527,6 +2153,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[25,35)",
@@ -1581,6 +2208,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1635,6 +2263,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[25,35)",
@@ -1675,6 +2304,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1701,6 +2331,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[20,30)",
@@ -1734,6 +2365,7 @@ Object {
       "username": "kiwicopple",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1788,6 +2420,7 @@ Object {
       "username": "awailas",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1835,6 +2468,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[20,30)",
@@ -1868,6 +2502,7 @@ Object {
       "username": "kiwicopple",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1901,6 +2536,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -1941,6 +2577,7 @@ Object {
       "username": "dragarcia",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[25,35)",
@@ -1977,6 +2614,7 @@ Object {
       "status": "ONLINE",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "status": "ONLINE",
@@ -1995,9 +2633,79 @@ Object {
       "status": "ONLINE",
     },
   ],
+  "count": null,
+  "data": Array [
+    Object {
+      "status": "ONLINE",
+    },
+  ],
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`select with count:exact 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "age_range": "[1,2)",
+      "catchphrase": "'cat' 'fat'",
+      "data": null,
+      "status": "ONLINE",
+      "username": "supabot",
+    },
+    Object {
+      "age_range": "[25,35)",
+      "catchphrase": "'bat' 'cat'",
+      "data": null,
+      "status": "OFFLINE",
+      "username": "kiwicopple",
+    },
+    Object {
+      "age_range": "[25,35)",
+      "catchphrase": "'bat' 'rat'",
+      "data": null,
+      "status": "ONLINE",
+      "username": "awailas",
+    },
+    Object {
+      "age_range": "[20,30)",
+      "catchphrase": "'fat' 'rat'",
+      "data": null,
+      "status": "ONLINE",
+      "username": "dragarcia",
+    },
+  ],
+  "count": 4,
   "data": Array [
     Object {
+      "age_range": "[1,2)",
+      "catchphrase": "'cat' 'fat'",
+      "data": null,
+      "status": "ONLINE",
+      "username": "supabot",
+    },
+    Object {
+      "age_range": "[25,35)",
+      "catchphrase": "'bat' 'cat'",
+      "data": null,
+      "status": "OFFLINE",
+      "username": "kiwicopple",
+    },
+    Object {
+      "age_range": "[25,35)",
+      "catchphrase": "'bat' 'rat'",
+      "data": null,
+      "status": "ONLINE",
+      "username": "awailas",
+    },
+    Object {
+      "age_range": "[20,30)",
+      "catchphrase": "'fat' 'rat'",
+      "data": null,
       "status": "ONLINE",
+      "username": "dragarcia",
     },
   ],
   "error": null,
@@ -2006,6 +2714,50 @@ Object {
 }
 `;
 
+exports[`select with head:true 1`] = `
+Object {
+  "body": null,
+  "count": null,
+  "data": null,
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`select with head:true, count:estimated 1`] = `
+Object {
+  "body": null,
+  "count": Any<Number>,
+  "data": null,
+  "error": null,
+  "status": 206,
+  "statusText": "Partial Content",
+}
+`;
+
+exports[`select with head:true, count:exact 1`] = `
+Object {
+  "body": null,
+  "count": 4,
+  "data": null,
+  "error": null,
+  "status": 200,
+  "statusText": "OK",
+}
+`;
+
+exports[`select with head:true, count:planned 1`] = `
+Object {
+  "body": null,
+  "count": Any<Number>,
+  "data": null,
+  "error": null,
+  "status": 206,
+  "statusText": "Partial Content",
+}
+`;
+
 exports[`single 1`] = `
 Object {
   "body": Object {
@@ -2015,6 +2767,7 @@ Object {
     "status": "ONLINE",
     "username": "supabot",
   },
+  "count": null,
   "data": Object {
     "age_range": "[1,2)",
     "catchphrase": "'cat' 'fat'",
@@ -2037,6 +2790,7 @@ Object {
     "status": "ONLINE",
     "username": "foo",
   },
+  "count": null,
   "data": Object {
     "age_range": null,
     "catchphrase": null,
@@ -2061,6 +2815,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -2094,6 +2849,7 @@ Object {
       "username": "awailas",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[25,35)",
@@ -2119,6 +2875,7 @@ Object {
 exports[`stored procedure 1`] = `
 Object {
   "body": "ONLINE",
+  "count": null,
   "data": "ONLINE",
   "error": null,
   "status": 200,
@@ -2126,6 +2883,38 @@ Object {
 }
 `;
 
+exports[`stored procedure with count: 'exact' 1`] = `
+Object {
+  "body": null,
+  "count": null,
+  "data": null,
+  "error": Object {
+    "code": "42883",
+    "details": null,
+    "hint": "No function matches the given name and argument types. You might need to add explicit type casts.",
+    "message": "function public.get_status(count => text, name_param => text) does not exist",
+  },
+  "status": 404,
+  "statusText": "Not Found",
+}
+`;
+
+exports[`stored procedure with count: 'exact', head: true 1`] = `
+Object {
+  "body": null,
+  "count": null,
+  "data": null,
+  "error": Object {
+    "code": "42883",
+    "details": null,
+    "hint": "No function matches the given name and argument types. You might need to add explicit type casts.",
+    "message": "function public.get_status(count => text, head => text, name_param => text) does not exist",
+  },
+  "status": 404,
+  "statusText": "Not Found",
+}
+`;
+
 exports[`switch schema 1`] = `
 Object {
   "body": Array [
@@ -2160,6 +2949,7 @@ Object {
       "username": "leroyjenkins",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
@@ -2209,6 +2999,7 @@ Object {
       "username": "supabot",
     },
   ],
+  "count": null,
   "data": Array [
     Object {
       "age_range": "[1,2)",
diff --git a/test/basic.ts b/test/basic.ts
index 6a81a982..c3aafdfd 100644
--- a/test/basic.ts
+++ b/test/basic.ts
@@ -140,3 +140,104 @@ test('Prefer: return=minimal', async () => {
 
   await postgrest.from('users').delete().eq('username', 'bar')
 })
+
+test('select with head:true', async () => {
+  const res = await postgrest.from('users').select('*', { head: true })
+  expect(res).toMatchSnapshot()
+})
+
+test('select with head:true, count:exact', async () => {
+  const res = await postgrest.from('users').select('*', { head: true, count: 'exact' })
+  expect(res).toMatchSnapshot()
+})
+
+test('select with head:true, count:planned', async () => {
+  const res = await postgrest.from('users').select('*', { head: true, count: 'planned' })
+  expect(res).toMatchSnapshot({
+    count: expect.any(Number),
+  })
+})
+
+test('select with head:true, count:estimated', async () => {
+  const res = await postgrest.from('users').select('*', { head: true, count: 'estimated' })
+  expect(res).toMatchSnapshot({
+    count: expect.any(Number),
+  })
+})
+
+test('select with count:exact', async () => {
+  const res = await postgrest.from('users').select('*', { count: 'exact' })
+  expect(res).toMatchSnapshot()
+})
+
+test("stored procedure with count: 'exact'", async () => {
+  const res = await postgrest.rpc('get_status', { name_param: 'supabot', count: 'exact' })
+  expect(res).toMatchSnapshot()
+})
+
+test("stored procedure with count: 'exact', head: true", async () => {
+  const res = await postgrest.rpc('get_status', {
+    name_param: 'supabot',
+    count: 'exact',
+    head: true,
+  })
+  expect(res).toMatchSnapshot()
+})
+
+describe("insert, update, delete with count: 'exact'", () => {
+  test("insert with count: 'exact'", async () => {
+    let res = await postgrest
+      .from('messages')
+      .insert({ message: 'foo', username: 'supabot', channel_id: 1 }, { count: 'exact' })
+    expect(res).toMatchSnapshot()
+
+    res = await postgrest.from('messages').select()
+    expect(res).toMatchSnapshot()
+  })
+
+  test("upsert with count: 'exact'", async () => {
+    let res = await postgrest
+      .from('messages')
+      .insert(
+        { id: 3, message: 'foo', username: 'supabot', channel_id: 2 },
+        { upsert: true, count: 'exact' }
+      )
+    expect(res).toMatchSnapshot()
+
+    res = await postgrest.from('messages').select()
+    expect(res).toMatchSnapshot()
+  })
+
+  test("bulk insert with count: 'exact'", async () => {
+    let res = await postgrest.from('messages').insert(
+      [
+        { message: 'foo', username: 'supabot', channel_id: 1 },
+        { message: 'foo', username: 'supabot', channel_id: 1 },
+      ],
+      { count: 'exact' }
+    )
+    expect(res).toMatchSnapshot()
+
+    res = await postgrest.from('messages').select()
+    expect(res).toMatchSnapshot()
+  })
+
+  test("update with count: 'exact'", async () => {
+    let res = await postgrest
+      .from('messages')
+      .update({ channel_id: 2 }, { count: 'exact' })
+      .eq('message', 'foo')
+    expect(res).toMatchSnapshot()
+
+    res = await postgrest.from('messages').select()
+    expect(res).toMatchSnapshot()
+  })
+
+  test("basic delete count: 'exact'", async () => {
+    let res = await postgrest.from('messages').delete({ count: 'exact' }).eq('message', 'foo')
+    expect(res).toMatchSnapshot()
+
+    res = await postgrest.from('messages').select()
+    expect(res).toMatchSnapshot()
+  })
+})
diff --git a/test/transforms.ts b/test/transforms.ts
index 6c561b89..9a85285b 100644
--- a/test/transforms.ts
+++ b/test/transforms.ts
@@ -37,6 +37,8 @@ test('select on insert', async () => {
 })
 
 test('select on stored procedure', async () => {
-  const res = await postgrest.rpc('get_username_and_status', { name_param: 'supabot' }).select('status')
+  const res = await postgrest
+    .rpc('get_username_and_status', { name_param: 'supabot' })
+    .select('status')
   expect(res).toMatchSnapshot()
 })