ActiveCampaign Match All API

Return all Contact id's that match the given Segment and provided Additional Criteria

Operations 5

POST /api/3/segmentMatchAll Create a Match All Request for a new Segment #
GET /api/3/segmentMatchAll/{segmentId} Create a Match All Request #
GET /api/3/segmentMatchAll/{segmentId}/{runId} Return Match All result-set #
POST /api/3/segmentMatchSome/{segmentId} Create a Match Some Request #
GET /api/3/segmentMatchSome/{segmentId}/{runId} Return a Match Some result-set #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/activecampaign-match-all-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

activecampaign-match-all-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Segments Match All API
  description: API for managing segments in your ActiveCampaign instance
  version: 2.0.0
  contact:
    name: ActiveCampaign Support
    url: https://www.activecampaign.com
servers:
- url: https://{yourAccountName}.api-us1.com
  description: US-based Users
  variables:
    yourAccountName:
      default: yourAccountName
security:
- Api_Key: []
tags:


# --- truncated at 32 KB (33 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/activecampaign/refs/heads/main/openapi/activecampaign-match-all-api-openapi.yml