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Messaging API
Send texts from your own software and get delivery events back.
Messaging API overview
Get a credential, make your first call, and see every texting endpoint.
Sending texts
Send one text or a batch, idempotency, reading messages, numbers and usage, segments, opt-outs.
Webhooks
Signed message and opt-out events pushed to your server. Verification, signatures, rotation, retries and replay.