openapi: 3.2.0 info: title: Solscan Pro Block API version: '2.0' summary: Solscan Pro REST API for Solana account, token, transaction, block, and NFT data. description: 'The Solscan Pro API exposes decoded Solana on-chain data including account details, token holdings, transfers, DeFi activities, transaction details, block info, and NFT collections. The Public API is a free, lower-rate-limit surface; the Pro API is a paid service requiring an API token. Authentication uses a token sent in the ''token'' request header. ' contact: name: Solscan API Documentation url: https://docs.solscan.io/ servers: - url: https://pro-api.solscan.io/v2.0 description: Solscan Pro API v2.0 security: - apiKeyAuth: [] tags: - name: Block description: Block lookups paths: /block/last: get: tags: - Block summary: Get latest block data operationId: getBlockLast responses: '200': description: Latest block components: securitySchemes: apiKeyAuth: type: apiKey in: header name: token description: 'Solscan API token sent as ''token: {API_KEY}'' header.'