openapi: 3.2.0 info: title: Qorevia Market Intelligence Onchain API version: 2.0.0 description: Agent-payable market intelligence, data profiling and deterministic utility tools. x-guidance: Use these tools for market/session/risk/backtest context and local data profiling. Paid routes use HTTP 402/x402 and settle USDC directly to the provider wallet. servers: - url: https://api.flowhomes.eu tags: - name: onchain paths: /api/evm-address-syntax: post: summary: Validate basic EVM 20-byte hex address syntax operationId: evm_address_syntax tags: - onchain requestBody: required: true content: application/json: schema: type: object properties: address: type: string required: - address example: address: '0x0000000000000000000000000000000000000000' responses: '200': description: Paid response content: application/json: schema: type: object additionalProperties: true example: valid: true '402': description: x402 payment required '503': description: Upstream market-data source unavailable; payment is not requested for MT5 routes during preflight failure. x-payment-info: price: '0.010000' currency: USDC network: eip155:8453 protocol: x402