openapi: 3.0.3 info: title: Chainstack Arbitrum Node Account Info Txpool 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: Txpool paths: /txpool_content: post: tags: - Txpool summary: Txpool_Content operationId: tempo-txpool-content requestBody: required: true content: application/json: schema: type: object properties: jsonrpc: type: string default: '2.0' method: type: string default: txpool_content params: type: array items: {} default: [] id: type: integer default: 1 responses: '200': description: Transaction pool content content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: object properties: pending: type: object description: Pending transactions by address and nonce queued: type: object description: Queued transactions by address and nonce /txpool_status: post: tags: - Txpool summary: Txpool_Status operationId: tempo-txpool-status requestBody: required: true content: application/json: schema: type: object properties: jsonrpc: type: string default: '2.0' method: type: string default: txpool_status params: type: array items: {} default: [] id: type: integer default: 1 responses: '200': description: Transaction pool status content: application/json: schema: type: object properties: jsonrpc: type: string id: type: integer result: type: object properties: pending: type: string description: Number of pending transactions queued: type: string description: Number of queued transactions