Developers

Build WhatsApp messaging into your product

A REST API over your Zyveni workspace so your own systems can send messages, sync contacts and react to events.

Reference

What the API covers

Messages

Send template and session messages, media, and interactive buttons to a recipient number.

Contacts

Create and update contacts, apply tags and custom attributes, manage opt-out state.

Templates

List approved templates, check review status, and reference variables by position.

Campaigns

Trigger campaigns to a saved segment and retrieve per-recipient delivery status.

Webhooks

Receive inbound messages plus sent, delivered, read and failed status events.

Authentication

Bearer token authentication scoped to your workspace, with rate limit headers.

Coming soon

Full API reference is being published

Endpoint-level documentation with request and response examples is on its way. Contact us for early access details for your integration.

  • Authentication and workspace tokens
  • Send message endpoints and payload schemas
  • Contact and tag management endpoints
  • Template listing and status endpoints
  • Webhook event types and retry behaviour
  • Rate limits, error codes and idempotency