Genesis402 (x402 pay-per-call)

Genesis402: pay-per-call APIs for AI agents over x402. A signed receipt for every paid call.

Should I use this

Description quality

86%

Schema completeness

97%

Naming quality

80%

Poisoning risk

100%

Permission match

100%

Protocol compliance

100%

Findings (4)

LOWTool 'genesis402_email_check' description lacks action verbin genesis402_email_check
LOWTool 'genesis402_whois' description lacks action verbin genesis402_whois
LOWTool 'genesis402_extract_json' description lacks action verbin genesis402_extract_json
LOWTool 'genesis402_web_extract' description lacks action verbin genesis402_web_extract

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~5,662Tokens (tool definitions)

~4.2 KBTypical response size

Significant attention impact (4.42% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "genesis402-mcp": {
      "command": "npx",
      "args": [
        "genesis402-mcp"
      ]
    }
  }
}

Runnable packages

npmgenesis402-mcp0.3.2stdio

Remote endpoints

https://twin.unykorn.org/mcpstreamable-http

What it can do

Tool inventory

Free. Every Genesis402 endpoint with price, title, path and parameters, from the live /.well-known/x402 manifest. Call first.

Input Schema

{
  "type": "object",
  "properties": {
    "filter": {
      "type": "string",
      "maxLength": 60,
      "description": "Optional keyword to filter by name, title or tag, e.g. defi, sec, xrpl, wallet."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "origin": {
      "type": "string",
      "description": "The rail's origin URL."
    },
    "total_endpoints": {
      "type": "number",
      "description": "Endpoints in the live manifest."
    },
    "matched": {
      "type": "number",
      "description": "Endpoints matching the filter."
    },
    "payer_mode": {
      "type": "string",
      "description": "QUOTE_ONLY, HOSTED, or LIVE with its cap."
    },
    "endpoints": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "path": {
            "type": "string"
          },
          "price_usd": {
            "type": [
              "number",
              "null"
            ]
          },
          "title": {
            "type": "string"
          },
          "parameters": {}
        },
        "required": [
          "name",
          "path",
          "price_usd"
        ],
        "additionalProperties": true
      },
      "description": "Matching endpoints with price and parameters."
    }
  },
  "required": [
    "origin",
    "total_endpoints",
    "matched",
    "payer_mode",
    "endpoints"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Free. A paid-call receipt by id from the rail's public receipts feed.

Input Schema

{
  "type": "object",
  "properties": {
    "receipt_id": {
      "type": "string",
      "minLength": 4,
      "maxLength": 80,
      "description": "Receipt id returned by a paid call."
    }
  },
  "required": [
    "receipt_id"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "result": {
      "description": "The receipt record."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Calls any of the 360 Genesis402 endpoints by name (DeFi, SEC filings, research, web/domain intel, AI text tools, multi-chain reads). Prices $0.001-$0.25 USDC on Base. Without payment it returns the exact quote.

Input Schema

{
  "type": "object",
  "properties": {
    "endpoint": {
      "type": "string",
      "minLength": 2,
      "maxLength": 64,
      "description": "Endpoint name from genesis402_catalog, e.g. defi-yields or price."
    },
    "params": {
      "type": "object",
      "additionalProperties": {},
      "description": "The endpoint's parameters as an object; see its parameters in genesis402_catalog."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "endpoint"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.03 USDC). Wallet risk signals in ONE call: public sanctions-list check + 10-chain scan + activity + summary, with an evidence hash. Heuristic signals from public data: not KYC, not a compliance determination, not legal advice.

Input Schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "EVM address, 0x followed by 40 hex characters."
    },
    "chain": {
      "type": "string",
      "maxLength": 24,
      "description": "Optional chain name, e.g. ethereum, base, polygon, arbitrum. Defaults to ethereum."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "address"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.03 USDC). Token pre-trade check in ONE call: metadata, price, holder concentration, verification, sanctions.

Input Schema

{
  "type": "object",
  "properties": {
    "contract": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "Token contract address, 0x followed by 40 hex characters."
    },
    "chain": {
      "type": "string",
      "maxLength": 24,
      "description": "Optional chain name, e.g. ethereum, base, polygon, arbitrum. Defaults to ethereum."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "contract"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.008 USDC). Public-data sanctions-list signal for one address: OFAC SDN digital-currency entries and community blocklists. Risk and sanctions results are automated heuristic signals from public data. They are not KYC, not a compliance determination, and not legal advice.

Input Schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "minLength": 4,
      "maxLength": 120,
      "description": "Any chain's address (EVM, BTC, TRON, SOL, XRP and others)."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "address"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.008 USDC). One call across 10 EVM chains for a single address: native balances and activity per chain.

Input Schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "EVM address, 0x followed by 40 hex characters."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "address"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.01 USDC). Best DeFi yields from 15,000+ pools, filterable by chain, protocol, token, stablecoin-only and minimum TVL.

Input Schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "maxLength": 40,
      "description": "Filter by chain, e.g. Ethereum, Base, Arbitrum, Solana."
    },
    "token": {
      "type": "string",
      "maxLength": 20,
      "description": "Filter by token symbol, e.g. USDC, ETH."
    },
    "project": {
      "type": "string",
      "maxLength": 60,
      "description": "Filter by protocol, e.g. aave-v3, compound-v3, morpho."
    },
    "stablecoin_only": {
      "type": "boolean",
      "description": "Only stablecoin pools when true."
    },
    "min_tvl_usd": {
      "type": "number",
      "description": "Minimum pool TVL in USD, e.g. 1000000."
    },
    "sort": {
      "type": "string",
      "enum": [
        "apy",
        "tvl"
      ],
      "description": "Sort by APY (default) or TVL."
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "description": "Number of pools to return, 1-100."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.01 USDC). As-reported fundamentals for a US public company from SEC XBRL (revenue, net income, assets, cash, EPS).

Input Schema

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string",
      "maxLength": 60,
      "description": "Stock ticker, e.g. AAPL. Give ticker or cik."
    },
    "cik": {
      "type": "string",
      "maxLength": 10,
      "description": "SEC CIK number, e.g. 320193. Give ticker or cik."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.002 USDC). Email/domain deliverability: MX, provider, SPF, DMARC policy, disposable flag, trust score.

Input Schema

{
  "type": "object",
  "properties": {
    "email_or_domain": {
      "type": "string",
      "maxLength": 320,
      "description": "An email address or bare domain, e.g. [email protected] or acme.com."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "email_or_domain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.002 USDC). Domain registrar, age, expiry, status and nameservers via RDAP (young domains are a fraud signal).

Input Schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "maxLength": 260,
      "description": "Domain name, e.g. example.com."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.006 USDC). Extract YOUR fields from any text as JSON; missing fields are null, never invented.

Input Schema

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "maxLength": 16000,
      "description": "The source text to extract from (up to 16,000 characters)."
    },
    "fields": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Map of field name to a short description, e.g. {\"invoice_total\": \"total amount due\"}."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "text",
    "fields"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.004 USDC). Any public web page as clean text, title, headings and links.

Input Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) URL to fetch."
    },
    "max_chars": {
      "type": "integer",
      "minimum": 500,
      "maximum": 60000,
      "description": "Cap on returned text length, 500-60,000 characters."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Paid ($0.25 USDC). A signed Ed25519 receipt binding your SHA-256 digest (or text) and optional claim to a settled payment. The receipt signature checks offline; the receipt chain is not externally anchored.

Input Schema

{
  "type": "object",
  "properties": {
    "sha256": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$",
      "description": "Lowercase hex SHA-256 digest to bind. Give sha256 or text."
    },
    "text": {
      "type": "string",
      "maxLength": 16384,
      "description": "Text to hash and bind, if you don't have a digest."
    },
    "claim": {
      "type": "string",
      "maxLength": 512,
      "description": "Optional short statement to include in the receipt."
    },
    "payment_signature": {
      "type": "string",
      "maxLength": 8000,
      "description": "Optional. An x402 v2 payment you signed for this call's quote (the PAYMENT-SIGNATURE header value). Omit to get the price quote first."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "description": "QUOTE_ONLY when no payment was made; the quote is in price."
    },
    "resource": {
      "type": "string",
      "description": "The endpoint URL that was quoted or called."
    },
    "price": {
      "description": "Quote on Base USDC: atomic, usd, payTo, network."
    },
    "also_accepted_networks": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Other payment networks this endpoint accepts."
    },
    "what_you_get": {
      "description": "What the paid call returns."
    },
    "payment_required_b64": {
      "type": [
        "string",
        "null"
      ],
      "description": "The raw x402 PAYMENT-REQUIRED header, base64."
    },
    "how_to_pay": {
      "type": "string",
      "description": "How to pay for this call."
    },
    "paid": {
      "description": "true or the paid quote when payment settled."
    },
    "settlement": {
      "description": "Decoded x402 settlement (tx hash, network, payer)."
    },
    "result": {
      "description": "The endpoint's response data."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

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Sep 27, 2026, 6:32 AM UTCverifiedversion not recorded14 tools

Genesis402 (x402 pay-per-call)

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