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Meta Custom Audiences API

Manage user membership in custom audiences

Meta Custom Audiences API is one of 19 APIs that Meta publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Custom Audiences. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 2 operations across 1 path, and defines 1 schema. It is described by OpenAPI 3.2.0, at version v22.0.

Requests are made against a single base URL, https://graph.facebook.com/v22.0.

2 operations 1 paths 1 schemas 1 DELETE1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
v22.0
Server
https://graph.facebook.com/v22.0
Authentication
OAuth 2.0
Resource Areas
1

Authentication & Security 1

Meta Custom Audiences API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (userAccessToken) using the implicit flow, exposing 1 scope. By default, every request must be authenticated.

Paths & Operations 2

Across 1 path, the API surfaces 2 operations — 1 DELETE, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Custom Audiences 2

Manage user membership in custom audiences

POST
/{custom-audience-id}/users
Meta Add users to custom audience
addUsersToCustomAudience 1 param body → 200
DELETE
/{custom-audience-id}/users
Meta Remove users from custom audience
removeUsersFromCustomAudience 1 param → 200

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is SuccessResponse (1 property). Each schema is shown below with its type and property counts.

SuccessResponse
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

meta-custom-audiences-api-openapi.yml Raw ↑

Other APIs Meta publishes across the network.

Instagram Graph API - User
Facebook Graph API - Page
Facebook Graph API - Post
Facebook Graph API - Group
Facebook Graph API - Event
Facebook Marketing API
Meta Conversions API
Meta Ad Library API
WhatsApp Cloud API
WhatsApp Business Management API
Messenger Platform API
Threads API
Where this information came from

This is an independent, third-party profile of Meta Custom Audiences API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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