x402 List

x402 Protocol Service Directory

●

Curl HTTP Request

Data

Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically follows up to 3 redirects. Useful for testing endpoints, verifying servers are responding correctly, debugging redirect chains, or fetching raw data without needing a local setup

Pay from $0.01 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 100% │ 7D 100% │ 30D 100%
BASE URL https://curl-http-request.underscoredone.com │ WEBSITE https://underscoredone.com/curl_http_request/ │ ENDPOINTS 1 │ NETWORK Base │ ASSET USDC │ MEMBER SINCE 24 Jun 2026 │ MONITORED SINCE 01 Jun 2026

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
GET /curl $0.01 Base USDC
1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /curl returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://curl-http-request.underscoredone.com/curl'
// 402 response (captured by monitor)
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://curl-http-request.underscoredone.com/curl",
      "mimeType": "application/json",
      "description": "Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically follows up to 3 redirects. Useful for testing endpoints, verifying servers are responding correctly, debugging redirect chains, or fetching raw data without needing a local setup."
    },
    "x402Version": 2
  }
]

UPTIME

06-25 · uptime 100.0% · 780ms avg06-26 · uptime 100.0% · 957ms avg06-2506-26
RESPONSE TIME
06-25 · 780ms avg06-25 · 780ms avg06-26 · 957ms avg06-26 · 957ms avg06-2506-26
7d UPTIME 100%
UPTIME 7D 100%
AVG RESP 878ms
TOTAL CHECKS 137

RECENT CHECKS

TIME STATUS RESP
● OK 969ms
● SLOW 1457ms
● OK 617ms
● OK 931ms
● OK 629ms
● OK 913ms
● OK 722ms
● OK 638ms
● SLOW 1667ms
● OK 818ms
● OK 1061ms
● OK 913ms
● OK 621ms
● OK 636ms
● OK 818ms
15 of 137 checks

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