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Changelog

API version history, breaking changes, and new features.

v1.0.0

2026-06-18Current
addedPublic Partner API — send messages via API keys
addedTemplate message support with variable substitution
addedInteractive message support (buttons, lists)
addedOutbound webhooks — receive event notifications on your server
addedWebhook signature verification for secure delivery
addedRate limiting with X-RateLimit headers
addedStandardized error format with error codes and suggested actions
addedAPI key management (create, revoke, rotate)

Versioning policy

We follow semantic versioning. Breaking changes require a new major version. Non-breaking additions (new endpoints, optional fields) are released as minor versions.

Current API version: v1