AI voice call — outbound phone call with text-to-speech

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x9863aB6242663FCc84c33632741711dB78f8Fd15",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "540000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "description": "AI voice call — outbound phone call with text-to-speech",
    "info": {
      "input": {
        "body": {
          "message": "Hello",
          "to": "+14155551234"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "call_id": "call_123",
          "duration_estimate": 30,
          "status": "queued"
        },
        "type": "json"
      },
      "routeTemplate": "/v1/calls"
    },
    "name": "AgentServices",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "message": {
                  "type": "string"
                },
                "to": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "PATCH",
                "POST",
                "PUT"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        },
        "routeTemplate": {
          "type": "string"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://agentservices.to/v1/calls"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://agentservices.to/v1/calls");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://agentservices.to/v1/calls")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header