openapi: 3.0.3 info: title: Chainstack Arbitrum Node Account Info Client Info API version: 1.0.0 description: Chainstack-managed RPC node API for the Arbitrum blockchain. Endpoints follow the canonical JSON-RPC over HTTPS interface for the network. Authenticate against your Chainstack node's per-node URL (e.g. https://nd-XXX-XXX-XXX.p2pify.com/). Merged from the Chainstack Developer Portal per-method fragments at https://github.com/chainstack/dev-portal/tree/main/openapi/arbitrum_node_api. contact: name: Chainstack API Support email: support@chainstack.com license: name: Chainstack Terms url: https://chainstack.com/terms-of-service/ servers: - url: https://{node_id}.p2pify.com/{api_key} description: Chainstack-managed node endpoint variables: node_id: default: nd-000-000-000 description: Your Chainstack node identifier api_key: default: description: Per-node access key tags: - name: Client Info paths: /web3_clientVersion: post: tags: - Client Info summary: web3_clientVersion operationId: clientVersion requestBody: required: true content: application/json: schema: type: object properties: id: type: integer default: 1 jsonrpc: type: string default: '2.0' method: type: string default: web3_clientVersion params: type: array default: [] responses: '200': description: The client running on this node. content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: string /net_listening: post: tags: - Client Info summary: Net_Listening operationId: listening requestBody: required: true content: application/json: schema: type: object properties: id: type: integer default: 1 jsonrpc: type: string default: '2.0' method: type: string default: net_listening params: type: array default: [] responses: '200': description: The boolean value that indicates whether or not a node is currently actively seeking peer connections. content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: string /net_peerCount: post: tags: - Client Info summary: net_peerCount operationId: peerCount requestBody: required: true content: application/json: schema: type: object properties: id: type: integer default: 1 jsonrpc: type: string default: '2.0' method: type: string default: net_peerCount params: type: array default: [] responses: '200': description: The number of peers connected to the client. content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: string /net_version: post: tags: - Client Info summary: Net_Version operationId: net_version requestBody: required: true content: application/json: schema: type: object properties: id: type: integer default: 1 jsonrpc: type: string default: '2.0' method: type: string default: net_version params: type: array default: [] responses: '200': description: The current network ID. content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: string /web3_sha3: post: tags: - Client Info summary: Web3_Sha3 operationId: web3Sha3 requestBody: required: true content: application/json: schema: type: object properties: id: type: integer default: 1 jsonrpc: type: string default: '2.0' method: type: string default: web3_sha3 params: type: array items: anyOf: - type: string title: Data description: The data to convert into a SHA3 hash. default: - '0x68656c6c6f20776f726c64' responses: '200': description: Returns Keccak-256 (not the standardized SHA3-256) of the given data. content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: object nullable: true