---
title: "Keyless Make Call"
method: POST
path: "/v1/x402/calls"
tags: ["x402 Keyless"]
---

# Keyless Make Call

`POST /v1/x402/calls`

## Request

- Base URL: `https://api.agentline.cloud`
- URL: `https://api.agentline.cloud/v1/x402/calls`
- Auth: none declared

Place a call using agent access. Connected minutes debit prepaid credit.

## Headers

- `authorization` string, nullable

## Request body

- KeylessCallBody
  - `from_number` string, required: Your wallet-owned number (E.164, e.g. '+12125551234')
  - `to_number` string, required: Destination phone number in E.164 format
  - `lease_token` string, nullable: agent_... token from recharge or existing lease_... token. Calls bill prepaid credit.

## Response `200`

Successful Response

- unknown

## Other responses

- `401`: Agent access token required
- `422`: Validation Error

---

[API](https://skmtc.dev/agentline/apis/agentline-prepaid-phone-service-for-ai-agents.md) · [All operations](https://skmtc.dev/agentline/apis/agentline-prepaid-phone-service-for-ai-agents/llms.txt) · [OpenAPI document](https://skmtc.dev/agentline/apis/agentline-prepaid-phone-service-for-ai-agents/revisions/18c0bdbb4b30?raw)