Build with the Voxy API.

Originate phone calls, sync contacts, ingest knowledge, and stream real-time analytics from any backend. Predictable REST, signed webhooks, and a first-party TypeScript SDK.

Start the quickstart Get an API key

REST API

Predictable resources, cursor pagination, signed responses. Versioned under /v1.

Read the quickstart →

TypeScript SDK

First-party @voxy/sdk — typed methods for every resource, built-in retries, idempotency baked in.

Install @voxy/sdk →

Webhooks

HMAC-signed event delivery for call summaries, lead creation, campaign completion. At-least-once with exponential retry.

See event catalogue →

Changelog

Track new endpoints, fields, and breaking changes as the API evolves. Versioned under /v1.

See what changed →

One call to place a call

Full quickstart

A 202 Accepted means the call is queued and the agent will dial within seconds. See Idempotency for safe retries, and Errors for the full code list.

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first-call.sh

# Place an outbound call in one curl. Replace {workspaceId}, the agent
# id, and the dialed numbers — that's the whole API surface for a first call.
curl -X POST https://voxyhq.com/v1/workspaces/{workspaceId}/calls/originate-manual \
  -H "Authorization: Bearer voxy_sk_live_xxxxxxxxxxxxx" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
    "agentId": "agt_01HXYZ",
    "to":      "+15551234567",
    "from":    "+15557654321"
  }'