Open API v1

Changelog

2026-08-16 — Open API v1

First public partner surface.

• Namespace: /open/v1
• Auth: scoped tg_live_ / tg_test_ keys (legacy sk- still accepted)
• Resources: contacts, tickets, conversations/messages, webhook endpoints
• Cursor pagination, error envelope, rate limits, idempotency keys
• Signed webhooks (Taggo-Signature)
• /v2/contact and /v2/ticket marked deprecated