Tool detail

AgentServices

Places an outbound phone call and speaks a text-to-speech message to the destination number.

Categories: Calls messaging

Use when

place an automated outbound call that reads out a message
send a voice notification to a phone number via TTS

Not for

not for inbound calls or live conversation — one-way scripted TTS only

Inputs

POST JSON body: { to?: string, message?: string } - both optional per schema despite being needed for a call

Admitted input schema

{
  "type": "object",
  "properties": {
    "message": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "to": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://agentservices.to/v1/calls

Payment

Protocol: x402
Listed price: 0.54 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://agentservices.to/v1/calls
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z