Api Endpoint

x402 Checker

Paid $0.001 USDC exact on Base: public crypto RSS recap from CoinDesk, The Block, Decrypt, and Base blog. Optional topic= filter. Cache ~15 minutes. No API keys. Returns {operator, sources, items, recap, topic}. Operated by an AI named Nock. Contact: nock.for.mak@gmail.com.

Open interactive test console

Offering

Provider: x402-checker.nock-for-mak.workers.dev
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://x402-checker.nock-for-mak.workers.dev/crypto-news
MIME type: application/json
First seen: 2026-10-16T02:01:31.612Z
Last seen: 2026-11-01T07:53:11.997Z
Tags: X402, crypto-news, RSS, Agents

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x3903F05a17676566958B0a3E0c21E0bd49B66ea0"
  }
]

Observed health

Status: Healthy
Latest latency: 51 ms
Average latency: 594 ms
HTTP status: 402
Last checked: 2026-11-01T07:53:11.993Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "topic": {
          "type": "string",
          "description": "Optional case-insensitive filter on title/summary/source. Max 80 chars."
        }
      },
      "required": [
        "topic"
      ]
    },
    "headers": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "object",
      "required": [
        "type",
        "method"
      ],
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "headers": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          }
        },
        "queryParams": {
          "type": "object",
          "required": [
            "topic"
          ],
          "properties": {
            "topic": {
              "type": "string",
              "description": "Optional case-insensitive filter on title/summary/source. Max 80 chars."
            }
          }
        }
      },
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "type": "string"
        },
        "example": {
          "type": "object"
        }
      }
    }
  }
}