Numbers
Search available numbers
GET /v1/numbers/available?area_code=415
Returns up to 5 available numbers. In the sandbox this is a deterministic fake inventory; with live access it searches real US/Canada inventory across 200+ area codes.
Purchase a number
POST /v1/numbers with { "phone_number": "+1..." }
Adds the number to your account (quota applies — default 2 live numbers, 3
sandbox). Returns the Number object. Emits a number.purchased event.
List your numbers
GET /v1/numbers
Release a number
DELETE /v1/numbers/+15005550132
Marks the number released (live mode disconnects it at the carrier). Rate
limited to 10 releases per 30 minutes. Emits number.released.
Live number purchase and release are part of early access review — sandbox numbers work for everyone immediately.