HTTP 402 AI Tollbooth

A live HTTP 402 Lightning tollbooth for AI agents. Sells structured API error intelligence paid per-request over the Lightning Network. No accounts, no OAuth, just pure HTTP 402.

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Documentation

Developer fixes, paid per request

Choose from 203 machine-readable troubleshooting products across five categories. No account, subscription, or API key.

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Live preview: API Error Fixes

[
  {
    "error_code": "SYNTH-API-ERROR-FIXES-001",
    "description": "Synthetic Obscure API error codes and exact programmatic fixes scenario 001: a topic-specific operation failed validation or execution.",
    "programmatic_fix": "Validate the Obscure API error codes and exact programmatic fixes inputs and configuration, handle SYNTH-API-ERROR-FIXES-001 explicitly, and retry only when the operation is idempotent."
  },
  {
    "error_code": "SYNTH-API-ERROR-FIXES-002",
    "description": "Synthetic Obscure API error codes and exact programmatic fixes scenario 002: a topic-specific operation failed validation or execution.",
    "programmatic_fix": "Validate the Obscure API error codes and exact programmatic fixes inputs and configuration, handle SYNTH-API-ERROR-FIXES-002 explicitly, and retry only when the operation is idempotent."
  },
  {
    "error_code": "SYNTH-API-ERROR-FIXES-003",
    "description": "Synthetic Obscure API error codes and exact programmatic fixes scenario 003: a topic-specific operation failed validation or execution.",
    "programmatic_fix": "Validate the Obscure API error codes and exact programmatic fixes inputs and configuration, handle SYNTH-API-ERROR-FIXES-003 explicitly, and retry only when the operation is idempotent."
  }
]

Buy 50 records for 2000 sats

1. Preview

Get exactly three useful records free, without a wallet.

2. Pay

Request the full endpoint and pay its BOLT11 Lightning invoice.

3. Redeem

Retry with the payment hash and preimage to receive the full dataset once.

Pricing

Tier	Records	Price
Entry	50	2,000 sats
Standard	100	5,000 sats
Premium	200	10,000 sats

FAQ

Do I need an account?

No. The paid endpoint returns an HTTP 402 challenge with a Lightning invoice.

Can agents discover it?

Yes. Use OpenAPI, the MCP manifest, or llms.txt.

Is payment proof reusable?

No. Settlement is verified and each proof can redeem only once.