The ContactZapp API
Add and change contacts, and start an automation when a contact changes. Use it from n8n, Make, Zapier or your own code.
You need a ContactZapp account and an API key. The key can read your contacts, add and change them, or both. Start with Getting started: it takes 5 minutes.
Guides
- Getting startedCreate an API key and make your first call.
- AuthenticationSend your API key, and choose what it can do.
- Rate limitsHow many requests you can make, and what to do when we ask you to slow down.
- IdempotencyRetry a write without creating a contact twice.
- Creating and changing contactsHow a created contact is matched and synced, and what a change does.
- ErrorsEvery error code the API returns.
- TriggersPoll for new contacts, changes, merges, duplicates and accounts that need attention.
Recipes
Reference
The spec
The API is described in an OpenAPI 3.1 file. Import it into Postman, Pipedream, Activepieces or a code generator. Download openapi.json, or fetch it from the API itself, with no key: GET https://app.contactz.app/api/v1/openapi.json.