openapi: 3.1.0 info: title: Tatum Data Rates API version: 4.0.0 description: 'REST API for indexed multi-chain blockchain data including balances, transactions, blocks, and exchange rates. Authentication uses an API key provided in the x-api-key header. ' contact: name: Tatum url: https://docs.tatum.io/reference/rest-api-overview servers: - url: https://api.tatum.io description: Production security: - apiKeyAuth: [] tags: - name: Rates paths: /v4/data/rate/symbol: get: summary: Get exchange rate by symbol description: Retrieve current exchange rates for crypto/fiat pairs. operationId: getExchangeRate tags: - Rates responses: '200': description: Exchange rate components: securitySchemes: apiKeyAuth: type: apiKey in: header name: x-api-key