{
  "info": {
    "_postman_id": "309f89cc-7a11-4ff5-b8e8-9a329c6321d8",
    "name": "Facebook Business Manager Facebook Marketing Ad Accounts Custom Audiences API",
    "description": "Create and manage ad campaigns, analyze performance, and automate advertising workflows across Meta platforms. The Marketing API provides programmatic access to Facebook's advertising system, enabling businesses to create campaigns, ad sets, and ads, manage budgets and bidding strategies, define targeting audiences, and retrieve performance metrics.\n\nContact Support:\n Name: Meta Developer Support",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:35:55.000Z",
    "updatedAt": "2026-07-28T01:35:56.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-309f89cc-7a11-4ff5-b8e8-9a329c6321d8"
  },
  "item": [
    {
      "name": "act_{ad_account_id}",
      "item": [
        {
          "name": "customaudiences",
          "item": [
            {
              "name": "Facebook Business Manager List custom audiences",
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              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "GET",
                "header": [
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences?fields=<string>&limit=25&after=<string>",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "act_{{ad_account_id}}",
                    "customaudiences"
                  ],
                  "query": [
                    {
                      "description": "Comma-separated list of fields to include in the response. If omitted, default fields are returned.",
                      "key": "fields",
                      "value": "<string>"
                    },
                    {
                      "description": "Maximum number of objects to return per page. Default is 25.",
                      "key": "limit",
                      "value": "25"
                    },
                    {
                      "description": "Cursor for pagination to retrieve the next page of results",
                      "key": "after",
                      "value": "<string>"
                    }
                  ]
                },
                "description": "Retrieves all custom audiences for the specified ad account. Returns audience configurations and approximate sizes."
              },
              "response": [
                {
                  "id": "da6e2bdb-6332-4b3c-87a3-180abd6f12c1",
                  "name": "Successfully retrieved list of custom audiences",
                  "originalRequest": {
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                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences?fields=<string>&limit=25&after=<string>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ],
                      "query": [
                        {
                          "description": "Comma-separated list of fields to include in the response. If omitted, default fields are returned.",
                          "key": "fields",
                          "value": "<string>"
                        },
                        {
                          "description": "Maximum number of objects to return per page. Default is 25.",
                          "key": "limit",
                          "value": "25"
                        },
                        {
                          "description": "Cursor for pagination to retrieve the next page of results",
                          "key": "after",
                          "value": "<string>"
                        }
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
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                      "key": "Content-Type",
                      "value": "application/json"
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                  "responseTime": null,
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                  "updatedAt": "2026-07-28T01:35:56.000Z",
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                  "originalRequest": {
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                      },
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                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences?fields=<string>&limit=25&after=<string>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ],
                      "query": [
                        {
                          "description": "Comma-separated list of fields to include in the response. If omitted, default fields are returned.",
                          "key": "fields",
                          "value": "<string>"
                        },
                        {
                          "description": "Maximum number of objects to return per page. Default is 25.",
                          "key": "limit",
                          "value": "25"
                        },
                        {
                          "description": "Cursor for pagination to retrieve the next page of results",
                          "key": "after",
                          "value": "<string>"
                        }
                      ]
                    }
                  },
                  "status": "Bad Request",
                  "code": 400,
                  "_postman_previewlanguage": "json",
                  "header": [
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                      "key": "Content-Type",
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                  ],
                  "cookie": [],
                  "responseTime": null,
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                  "updatedAt": "2026-07-28T01:35:56.000Z",
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                },
                {
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                  "name": "Invalid or expired access token",
                  "originalRequest": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences?fields=<string>&limit=25&after=<string>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ],
                      "query": [
                        {
                          "description": "Comma-separated list of fields to include in the response. If omitted, default fields are returned.",
                          "key": "fields",
                          "value": "<string>"
                        },
                        {
                          "description": "Maximum number of objects to return per page. Default is 25.",
                          "key": "limit",
                          "value": "25"
                        },
                        {
                          "description": "Cursor for pagination to retrieve the next page of results",
                          "key": "after",
                          "value": "<string>"
                        }
                      ]
                    }
                  },
                  "status": "Unauthorized",
                  "code": 401,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"error\": {\n    \"message\": \"<string>\",\n    \"type\": \"<string>\",\n    \"code\": \"<integer>\",\n    \"error_subcode\": \"<integer>\",\n    \"fbtrace_id\": \"<string>\"\n  }\n}",
                  "createdAt": "2026-07-28T01:35:56.000Z",
                  "updatedAt": "2026-07-28T01:35:56.000Z",
                  "uid": "35240-ce838fd8-22f2-4215-9831-27c181261b40"
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              ],
              "createdAt": "2026-07-28T01:35:56.000Z",
              "updatedAt": "2026-07-28T01:35:56.000Z",
              "uid": "35240-319724a5-8b19-4646-8dc5-8746b900b745"
            },
            {
              "name": "Facebook Business Manager Create a custom audience",
              "id": "6ea22be6-afbd-476a-be8d-9c136a72c033",
              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"name\": \"<string>\",\n  \"subtype\": \"WEBSITE\",\n  \"description\": \"<string>\",\n  \"customer_file_source\": \"<string>\",\n  \"lookalike_spec\": {\n    \"origin_audience_id\": \"<string>\",\n    \"ratio\": \"<number>\",\n    \"country\": \"<string>\"\n  },\n  \"rule\": {}\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "act_{{ad_account_id}}",
                    "customaudiences"
                  ]
                },
                "description": "Creates a new custom audience for ad targeting. Supports customer file audiences, website custom audiences, app activity audiences, and lookalike audiences."
              },
              "response": [
                {
                  "id": "fc98531f-8f87-46fb-a518-6485a837ae24",
                  "name": "Custom audience created successfully",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "key": "Content-Type",
                        "value": "application/json"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"name\": \"<string>\",\n  \"subtype\": \"WEBSITE\",\n  \"description\": \"<string>\",\n  \"customer_file_source\": \"<string>\",\n  \"lookalike_spec\": {\n    \"origin_audience_id\": \"<string>\",\n    \"ratio\": \"<number>\",\n    \"country\": \"<string>\"\n  },\n  \"rule\": {}\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"id\": \"<string>\"\n}",
                  "createdAt": "2026-07-28T01:35:56.000Z",
                  "updatedAt": "2026-07-28T01:35:56.000Z",
                  "uid": "35240-fc98531f-8f87-46fb-a518-6485a837ae24"
                },
                {
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                  "name": "Invalid request parameters or malformed request body",
                  "originalRequest": {
                    "method": "POST",
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                      },
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                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"name\": \"<string>\",\n  \"subtype\": \"WEBSITE\",\n  \"description\": \"<string>\",\n  \"customer_file_source\": \"<string>\",\n  \"lookalike_spec\": {\n    \"origin_audience_id\": \"<string>\",\n    \"ratio\": \"<number>\",\n    \"country\": \"<string>\"\n  },\n  \"rule\": {}\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ]
                    }
                  },
                  "status": "Bad Request",
                  "code": 400,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
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                  "updatedAt": "2026-07-28T01:35:56.000Z",
                  "uid": "35240-10f0bd82-c354-4175-a5b4-0589afa5d487"
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                {
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                        "key": "Content-Type",
                        "value": "application/json"
                      },
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                        "value": "application/json"
                      },
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                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
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                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/act_{{ad_account_id}}/customaudiences",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "act_{{ad_account_id}}",
                        "customaudiences"
                      ]
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                  },
                  "status": "Unauthorized",
                  "code": 401,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
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                  ],
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                  "createdAt": "2026-07-28T01:35:56.000Z",
                  "updatedAt": "2026-07-28T01:35:56.000Z",
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      "uid": "35240-e88b0fff-8348-46d4-8d0a-c85db2362840"
    }
  ],
  "auth": {
    "type": "bearer",
    "bearer": [
      {
        "key": "token",
        "value": "{{bearerToken}}",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://graph.facebook.com/v25.0"
    },
    {
      "key": "ad_account_id",
      "value": "<string>"
    }
  ]
}