SMS · Voice · Phone in one API

Pricing that scales with your agent

Pay only for what your agent uses, or lock in a flat monthly rate. No contracts, no minimums — provision a number and start in seconds.

Flat-rate

One predictable price per number. No usage surprises.

$20/ number / month
all US calls & SMS included, per number
  • US number included, provisioned via API in seconds
  • Calls — self-hosted & managed, included
  • US SMS included
  • Unified webhook · self-hosted & managed · MCP-ready
  • Regional (international) SMS not included
Most flexible
Pay-as-you-go

Metered usage billed to the cent. Best for variable or bursty agent workloads.

$3/ number / month
+ metered calls & messages · no base fee, no minimums
$5 credit loaded automatically · no credit card required
  • US number included, provisioned via API in seconds
  • Calls from $0.13/min self-hosted, $0.22/min managed
  • US SMS at $0.02/message
  • Unified webhook · self-hosted & managed · MCP-ready
  • Regional SMS to 200+ countries at tiered rates
Compare plans

Every line item, side by side

The same capabilities on both plans — the difference is how you pay for usage.

Line itemFlat-rateper numberPay-as-you-gometered
Numbers
Phone number$20.00/mo$3.00/mo
Phone number + iMessageiMessage: inbound + cold outbound, with automatic RCS/SMS fallbackNot available$250.00/mo
Voice
Call — self-hostedyour LLM · text over WebSocketIncluded$0.13/min
Call — managedDial-hosted model · end-to-endIncluded$0.22/min
Messaging
SMS — United StatesIncluded$0.02/msg
SMS — by region200+ countries · one price per tierNot includedFrom $0.02/msg · see tiers below
iMessageinbound + cold outbound, with automatic RCS/SMS fallbackNot availableFreeusing iMessage phone number
Platform
Unified webhookcalls & SMS in one signed formatIncludedIncluded
Self-hosted modebring your own LLM over WebSocketIncludedIncluded
Context MCPsextra tools & context for managed callsIncludedIncluded
Billing
Annual optionpay yearly instead of monthly$192.00/yr · save 20%

All prices in USD. Flat-rate is billed per number and covers the number, all US calls, and US SMS. iMessage numbers are pay-as-you-go only — their messages are free.

Regional SMS

SMS by region — 7 tiers

Every destination falls into one of seven price tiers. Expand a tier to see the countries it covers and their per-segment rate.

Questions

Pricing FAQ

Ready to give your agent a voice?

Phone number provisioned in seconds. Your agent can call and text anyone on Earth.