{
  "openapi": "3.0.3",
  "info": {
    "title": "KV FastData API - Multi-Key Lookup",
    "version": "3.0.3",
    "description": "Fetch the latest FastData row for up to 100 keys in a single request."
  },
  "paths": {
    "/v0/multi": {
      "post": {
        "description": "Fetch the latest FastData row for up to 100 keys in a single request.",
        "operationId": "multi",
        "requestBody": {
          "content": {
            "application/json": {
              "example": {
                "include_metadata": true,
                "keys": [
                  "social.near/james.near/graph/follow/sleet.near",
                  "social.near/james.near/graph/follow/missing"
                ]
              },
              "schema": {
                "$ref": "#/components/schemas/MultiRequest"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "example": {
                  "entries": [
                    {
                      "action_index": 0,
                      "block_height": 183302718,
                      "block_timestamp": 1769731630602682600,
                      "current_account_id": "social.near",
                      "key": "graph/follow/sleet.near",
                      "predecessor_id": "james.near",
                      "receipt_id": "gaiLdGpaRwaunXUFnnz9VNj8V7cY18ZPAt2QfZazBkk",
                      "signer_id": "james.near",
                      "tx_hash": "FK7qDhHv4otg2wPGrE3DKFjvmmjHhUKBxQDkcAsdH5k3",
                      "value": ""
                    },
                    null
                  ]
                },
                "schema": {
                  "$ref": "#/components/schemas/MultiResponse"
                }
              }
            },
            "description": "Latest rows for the requested keys"
          },
          "400": {
            "content": {
              "application/json": {
                "example": {
                  "error": "invalid page token"
                },
                "schema": {
                  "$ref": "#/components/schemas/ApiError"
                }
              }
            },
            "description": "Invalid key filter or page token"
          },
          "500": {
            "content": {
              "application/json": {
                "example": {
                  "error": "internal server error"
                },
                "schema": {
                  "$ref": "#/components/schemas/ApiError"
                }
              }
            },
            "description": "Scylla query failure"
          }
        },
        "summary": "Fetch the latest rows for multiple fully qualified keys",
        "tags": [
          "latest"
        ]
      }
    }
  },
  "servers": [
    {
      "description": "Mainnet",
      "url": "https://kv.main.fastnear.com"
    },
    {
      "description": "Testnet",
      "url": "https://kv.test.fastnear.com"
    }
  ],
  "components": {
    "schemas": {
      "ApiError": {
        "additionalProperties": false,
        "properties": {
          "error": {
            "type": "string"
          }
        },
        "required": [
          "error"
        ],
        "type": "object"
      },
      "MultiRequest": {
        "additionalProperties": false,
        "properties": {
          "include_metadata": {
            "default": false,
            "description": "Include receipt and signer metadata in each entry.",
            "type": "boolean"
          },
          "keys": {
            "description": "Fully qualified keys in current_account_id/predecessor_id/key form.",
            "items": {
              "type": "string"
            },
            "maxItems": 100,
            "type": "array"
          }
        },
        "required": [
          "keys"
        ],
        "type": "object"
      },
      "MultiResponse": {
        "additionalProperties": false,
        "properties": {
          "entries": {
            "items": {
              "oneOf": [
                {
                  "additionalProperties": false,
                  "properties": {
                    "action_index": {
                      "format": "uint32",
                      "minimum": 0,
                      "nullable": true,
                      "type": "integer"
                    },
                    "block_height": {
                      "format": "uint64",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "block_timestamp": {
                      "format": "uint64",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "current_account_id": {
                      "type": "string"
                    },
                    "key": {
                      "type": "string"
                    },
                    "predecessor_id": {
                      "type": "string"
                    },
                    "receipt_id": {
                      "nullable": true,
                      "type": "string"
                    },
                    "signer_id": {
                      "nullable": true,
                      "type": "string"
                    },
                    "tx_hash": {
                      "nullable": true,
                      "type": "string"
                    },
                    "value": {
                      "description": "Raw JSON value as stored in FastData."
                    }
                  },
                  "required": [
                    "predecessor_id",
                    "current_account_id",
                    "block_height",
                    "block_timestamp",
                    "key",
                    "value"
                  ],
                  "type": "object"
                },
                {
                  "enum": [
                    null
                  ]
                }
              ]
            },
            "type": "array"
          }
        },
        "required": [
          "entries"
        ],
        "type": "object"
      }
    }
  }
}