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The Verbose API lets you do everything the dashboard does, programmatically: manage contacts, create and run SMS and voice campaigns, build AI agents, and send one-off messages and calls.

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Base URL

https://astrasend-mocha.vercel.app
All endpoints live under /api/public.

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Conventions

  • REST + JSON. Send and receive application/json.
  • Uniform envelope. Every response is { "ok": true, ... } on success or { "ok": false, "error": "..." } with a 4xx/5xx status on failure.
  • Tenant-scoped. A key only ever sees its own workspace’s data.
  • IDs are UUIDs. Pass the ids returned by list endpoints.

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Get started

Authentication

Create an API key and authenticate your requests.

Quickstart

Import a contact and launch your first campaign in a few calls.

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What you can build

Every part of the platform is available through the API. Here’s the map.

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Audience

Contacts

Create, update, and organize the people you reach.

Lists & segments

Static lists and live, rule-based segments.

Suppression

Keep specific numbers off your sends.

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Engage

Campaigns

SMS & voice campaigns to a list, with timed follow-ups.

Messages & calls

Send a single SMS or place an outbound voice-agent call.

Inbox

Read conversations and reply in-thread.

Agents

AI SMS & voice agents that hold the conversation for you.

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Automate

Flows

Multi-step journeys — send, wait, branch, call, tag, integrate.

Offers

Track destinations and attribute conversions back to sends.

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Deploy

Phone numbers

Search, order, release, and pool your sending numbers.

Registration

10DLC brands & campaigns, plus short-code requests.

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Measure & connect

Analytics

Delivery, engagement, conversions, and custom reports.

Webhooks

Subscribe to events — replies, clicks, opt-outs, call outcomes.
Creating or starting a campaign, sending a message, and placing a call dispatch real traffic and may incur cost. Test against a small list first.