{
  "openapi": "3.0.3",
  "info": {
    "title": "Transactions API - Transactions by Hash",
    "version": "3.0.3",
    "description": "Fetch up to 20 indexed transactions by hash in one request."
  },
  "paths": {
    "/v0/transactions": {
      "post": {
        "description": "Fetch up to 20 indexed transactions by hash in one request.",
        "operationId": "get_transactions",
        "requestBody": {
          "content": {
            "application/json": {
              "example": {
                "tx_hashes": [
                  "HV42hanyDVK3MYoW8c17Ufxw83htNEQGk93bzyQRocvS",
                  "D2pt9ceGUyiGdJeeZLDd3uBGHF11DmPe4aJFMaoWMmDd"
                ]
              },
              "schema": {
                "$ref": "#/components/schemas/TxInput"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/TransactionsResponse"
                }
              }
            },
            "description": "Matching transactions"
          },
          "400": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiError"
                }
              }
            },
            "description": "Bad request"
          },
          "500": {
            "content": {
              "application/json": {
                "schema": {
                  "type": "string"
                }
              }
            },
            "description": "ClickHouse query failure"
          }
        },
        "summary": "Fetch transactions by hash",
        "tags": [
          "transactions"
        ]
      }
    }
  },
  "servers": [
    {
      "description": "Mainnet",
      "url": "https://tx.main.fastnear.com"
    },
    {
      "description": "Testnet",
      "url": "https://tx.test.fastnear.com"
    }
  ],
  "components": {
    "schemas": {
      "ApiError": {
        "additionalProperties": false,
        "properties": {
          "error": {
            "type": "string"
          },
          "message": {
            "type": "string"
          }
        },
        "required": [
          "error",
          "message"
        ],
        "type": "object"
      },
      "TransactionsResponse": {
        "additionalProperties": false,
        "properties": {
          "transactions": {
            "items": {
              "additionalProperties": true,
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "transactions"
        ],
        "type": "object"
      },
      "TxInput": {
        "additionalProperties": false,
        "properties": {
          "tx_hashes": {
            "description": "Up to 20 base58-encoded transaction hashes to fetch in one request.",
            "items": {
              "type": "string"
            },
            "maxItems": 20,
            "type": "array"
          }
        },
        "required": [
          "tx_hashes"
        ],
        "type": "object"
      }
    }
  }
}