Live: Solana mainnet and Base mainnet USDC. Informational data, not financial advice.
Worked requests and build-time response snapshots. Placeholders are not real outputs; sample briefs are illustrative. No payment is made by viewing this page. Always inspect the current HTTP 402 PAYMENT-REQUIRED challenge before signing. Preview prices use test USDC.
Examples JSON | API documentation
GET /v1/models/best?min_score=40
HTTP 402 price: 0.01 USDC. Retry the same request with its own authorized PAYMENT-SIGNATURE.
placeholder: Placeholder: captured model response pending. Not a real response.
No captured response available yet.
GET /v1/token/solana/EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v/check
HTTP 402 price: 0.02 USDC. Retry the same request with its own authorized PAYMENT-SIGNATURE.
placeholder: Placeholder: captured USDC token-check response pending. Not a real response.
No captured response available yet.
POST /v1/brief
Content-Type: application/json
{"question":"What does HTTP 402 mean for this API?"}HTTP 402 price: 2.00 USDC. Retry the same request with its own authorized PAYMENT-SIGNATURE.
sample: Sample brief, not a captured API response. POST queues a job; a separate operator fulfils it within 48 hours.
{
"sample": true,
"question": "What does HTTP 402 mean for this API?",
"brief": "HTTP 402 Payment Required is reserved for future use in the HTTP standard. This API uses x402 to return payment requirements before a signed retry. Inspect the exact price and network before authorizing payment; never send private keys. This sample is illustrative, not a purchased research deliverable.",
"sources": [
"https://www.rfc-editor.org/rfc/rfc9110.html#name-402-payment-required",
"https://www.x402.org/"
]
}