openapi: 3.2.0 info: title: FeedOracle Compliance Evidence L2 API version: 8.4.1+truthrepair.r1 description: 'FeedOracle Compliance Evidence Infrastructure — 44 MCP servers, 590+ evidence tools across 17 data sources. DORA, MiCA, AMLR and CSRD compliance evidence APIs. ES256K-signed responses, blockchain-anchored. Canonical metrics: https://feedoracle.io/data/feedoracle-metrics.json.' contact: email: support@feedoracle.io url: https://feedoracle.io/contact.html license: name: Proprietary termsOfService: https://feedoracle.io/terms.html servers: - url: https://api.feedoracle.io description: Production security: [] tags: - name: L2 description: Layer 2 fee oracle (Public) paths: /api/v2/l2/cheapest: get: tags: - L2 operationId: getL2Cheapest summary: Get cheapest healthy L2 chain description: Returns recommended L2 with full ranking by gas cost responses: '200': description: L2 ranking with gas prices in USD /api/v2/l2/health: get: tags: - L2 operationId: getL2Health summary: L2 sequencer health status description: Health for 8 L2 chains (ARB, OP, BASE, etc.) responses: '200': description: Health status array /api/v2/l2/all: get: tags: - L2 operationId: getL2All summary: All L2 chain data responses: '200': description: Complete L2 data for all chains /api/v2/l2/status/{chain}: get: tags: - L2 operationId: getL2Status summary: Single L2 chain status parameters: - name: chain in: path required: true schema: type: string responses: '200': description: Chain details '404': description: Chain not found components: securitySchemes: ApiKeyAuth: type: apiKey in: header name: X-API-Key description: Required for v1 data endpoints. Get at /pricing.html BearerAuth: type: http scheme: bearer bearerFormat: JWT description: OAuth 2.0 Bearer token from POST /mcp/token bearerAuth: type: http scheme: bearer description: FeedOracle OAuth 2.1 Bearer token. Obtain via /mcp/register (Dynamic Client Registration, RFC 7591). x-nomos-trust-chain: model: S0-S10 manifest: https://agentnomos.com/.well-known/nomos-capabilities.json