A unified command
SendSend takes a `channel`, `recipient` and `message` JSON object and routes it to the configured processor.
Developer features
- HTTP Basic over HTTPS.
- Per-account rate limits and credential rotation.
- Request metadata and statistics.
- `Idempotency-Key` duplicate prevention.
The gateway does not itself provide a messenger session connector. Account onboarding and actual delivery depend on separate infrastructure. Read the API documentation.