x402 Data Formatter

Convert CSV, XML, or Markdown to JSON or HTML using Claude AI. Optional structural validation. Part of the x402 micropayment task market.

Live service: https://project-formatter-production.up.railway.app
Smithery: gary-edgington/x402-data-formatter
Payment: $0.005 USDC per call · x402 v2 · Base mainnet

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Supported Conversions

Input	Output
CSV	JSON
XML	JSON
Markdown	HTML

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Endpoints

POST /v1/format — Paid

Requires x402 payment header. $0.005 USDC on Base mainnet.

Request body:

{
  "input": "<raw input string>",
  "from": "csv" | "xml" | "markdown",
  "to": "json" | "html"
}

Query params:

• ?validate=true — run a structural validation pass after conversion. Adds valid (bool) and errors (list) to the response.

Response (200):

{ "result": "<converted output>" }

Response with ?validate=true:

{ "result": "<converted output>", "valid": true, "errors": [] }

Response (402 — no payment):

{
  "x402Version": 2,
  "accepts": [{
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x8fC4006534801c17A3368075A1Fb3b3C511EdB1F",
    "maxTimeoutSeconds": 300
  }],
  "error": "Payment required"
}

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POST /v1/format/trial — Free

No payment required. Same conversion logic. Limits: 32KB max input, no ?validate support.

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GET /health

{ "status": "ok", "service": "formatter-agent", "version": "0.1.0" }

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MCP Tool

This service exposes a single MCP tool via SSE transport for use with MCP-compatible agents and Claude Desktop.

SSE endpoint: https://project-formatter-production.up.railway.app/sse

format_data

Convert structured data between formats using Claude AI.

Parameter	Type	Required	Description
input	string	✅	Raw content to convert
from_format	string	✅	csv, xml, or markdown
to_format	string	✅	json or html
validate	boolean	—	If true, validate output and return errors

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x402 Payment Details

Setting	Value
Network	Base mainnet (eip155:8453)
USDC contract	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Amount	5000 atomic units ($0.005)
Receiving wallet	0x8fC4006534801c17A3368075A1Fb3b3C511EdB1F
Facilitator	https://api.cdp.coinbase.com/platform/v2/x402
EIP-712 domain	USD Coin

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Ecosystem

This service is part of a three-service x402 task market:

• Formatter (this service) — data format conversion
• SchemaCheck Agent — JSON Schema validation
• A2A Hub — service discovery

Full capability manifest: GET https://project-a2a-production.up.railway.app/v1/capabilities