generated: '2026-08-09' method: searched source: https://bykaranteli.com/api/x402 http_status: 200 fetched: '2026-08-09' verbatim: well-known/bykaranteli-x402-catalog.json model: pay-per-call protocol: x402 protocol_version: 2 currency: USD asset: USDC billing_unit: 'per successful response' failure_billing: 'a failed response settles nothing' account_required: false key_required: false minimum_spend: 0 prepayment: false invoice: none settlement: - network: 'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp' chain: Solana mainnet asset_mint: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v pay_to: 4JgPtoBWkQyG3QffVJC3bfgk7SCQrz9bx2SAEUTSVqzK fee_payer: GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb - network: 'eip155:8453' chain: Base mainnet asset_contract: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913' pay_to: '0x0db4c96d8b14f431f3bb8ce1a33f07d2c696a62c' network_fees: 'covered by the facilitator' max_timeout_seconds: 300 priced_operations: - {operationId: liqmap-levels, path: /api/x402/liqmap-levels, price_usd: 0.005} - {operationId: options-flow, path: /api/x402/options-flow, price_usd: 0.005} - {operationId: flow-vpin, path: /api/x402/flow-vpin, price_usd: 0.002} - {operationId: premium-history, path: /api/x402/premium-history, price_usd: 0.005} - {operationId: cot-history, path: /api/x402/cot-history, price_usd: 0.005} - {operationId: liquidations-raw, path: /api/x402/liquidations-raw, price_usd: 0.010} - {operationId: oi-history, path: /api/x402/oi-history, price_usd: 0.005} - {operationId: funding-history, path: /api/x402/funding-history, price_usd: 0.005} - {operationId: options-oi-history, path: /api/x402/options-oi-history, price_usd: 0.005} - {operationId: dvol-history, path: /api/x402/dvol-history, price_usd: 0.002} - {operationId: slippage-history, path: /api/x402/slippage-history, price_usd: 0.002} - {operationId: listings-history, path: /api/x402/listings-history, price_usd: 0.002} - {operationId: spot-microstructure, path: /api/x402/spot-microstructure, price_usd: 0.010} free_operations: - {operationId: x402Catalog, path: /api/x402, price_usd: 0, note: 'the catalog itself is free and carries security: [] in the OpenAPI'} price_range_usd: {min: 0.002, max: 0.010} priced_operation_count: 13 machine_readable_pricing: catalog: https://bykaranteli.com/api/x402 in_spec: true extension: 'x-payment-info per operation in https://bykaranteli.com/openapi.json — {protocols:[{x402:{}}], price:{mode: fixed, currency: USD, amount}, networks[], asset}' challenge: 'base64 `payment-required` header on the 402, carrying accepts[] plus a bazaar-extension JSON Schema for input and output' note: >- Price is discoverable three ways without a human reading a pricing page — in the catalog, in the OpenAPI operation extension, and in the 402 challenge itself. That is an unusually complete monetization contract for an API this small. positioning: statement: 'What you pay for is depth and history, never access: every live snapshot stays free and unmetered.' client_stack: '@x402/fetch, @x402/core, @x402/svm — wrapFetchWithPayment(fetch, client)' subscription_side: plans/bykaranteli-plans.yml