ONLY x402 · PAY PER CALL · BUYER-CONTROLLED BASE / SOLANA USDC
Choose a live x402 API, inspect a free example, then let your agent approve the exact HTTP 402 terms. No subscriptions, unrelated products, or automatic charges.
Machine-readable x402 offers · OpenAPI contracts · Real settlement evidence
Normalized snapshot for one supported trading pair from available Binance and Bybit upstreams.
Paid delivery has been tested; not a claim of organic repeat customers
Free example · Inspect endpoint
curl -i -X POST 'https://bounty-engineer-x402-prod.onrender.com/v1/funding-rates' -H 'Content-Type: application/json' --data '{"symbol":"BTCUSDT","providers":["binance","bybit"]}'Source-linked extraction of a publicly reachable page; no logins, paywalls or CAPTCHA bypass.
Paid delivery has been tested; not a claim of organic repeat customers
Free example · Inspect endpoint
curl -i -X POST 'https://bounty-engineer-x402-prod.onrender.com/v1/web-extract' -H 'Content-Type: application/json' --data '{"url":"https://example.com"}'Inspect metadata and structured data on a public HTML page with evidence.
Paid delivery has been tested; not a claim of organic repeat customers
Free example · Inspect endpoint
curl -i 'https://bounty-engineer-x402-prod.onrender.com/v1/audit?url=https%3A%2F%2Fexample.com'Batch quotes for up to 20 supported symbols; no independently confirmed paid delivery for this route.
Not independently confirmed with a paid delivery
Free example · Inspect endpoint
curl -i -X POST 'https://bounty-engineer-x402-prod.onrender.com/v1/funding-rates-batch' -H 'Content-Type: application/json' --data '{"symbols":["BTCUSDT","ETHUSDT","SOLUSDT"],"providers":["binance","bybit"]}'The buyer controls budgets, signatures and timing. Purchase outcomes depend on valid signed wallet payments and upstream data availability. Testing a 402 challenge does not count as a sale; previous paid canaries are not proof of repeat organic buyers.