{
  "openapi": "3.0.3",
  "info": {
    "title": "xpay Hub API",
    "description": "REST API for the xpay Hub marketplace. Run AI agents, tools, and prompts (RDAs) with pay-per-use USDC pricing.",
    "version": "1.0.0",
    "contact": {
      "name": "xpay Support",
      "email": "support@xpay.sh",
      "url": "https://docs.xpay.sh"
    },
    "license": {
      "name": "Proprietary"
    }
  },
  "servers": [
    {
      "url": "https://api.xpay.sh/hub",
      "description": "Production"
    }
  ],
  "security": [
    {
      "bearerAuth": []
    }
  ],
  "paths": {
    "/rdas": {
      "get": {
        "summary": "List RDAs",
        "description": "Retrieve a list of RDAs from the marketplace.",
        "operationId": "listRdas",
        "security": [],
        "parameters": [
          {
            "name": "type",
            "in": "query",
            "description": "Filter by RDA type",
            "schema": {
              "type": "string",
              "enum": ["prompt", "agent", "tool"]
            }
          },
          {
            "name": "status",
            "in": "query",
            "description": "Filter by status",
            "schema": {
              "type": "string",
              "enum": ["draft", "published", "archived"],
              "default": "published"
            }
          },
          {
            "name": "verified",
            "in": "query",
            "description": "Only verified RDAs",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "featured",
            "in": "query",
            "description": "Only featured RDAs",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "trending",
            "in": "query",
            "description": "Only trending RDAs",
            "schema": {
              "type": "boolean"
            }
          },
          {
            "name": "ownerId",
            "in": "query",
            "description": "Filter by creator ID",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "search",
            "in": "query",
            "description": "Search in name and description",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "description": "Results per page (max 100)",
            "schema": {
              "type": "integer",
              "default": 20,
              "maximum": 100
            }
          },
          {
            "name": "offset",
            "in": "query",
            "description": "Pagination offset",
            "schema": {
              "type": "integer",
              "default": 0
            }
          }
        ],
        "responses": {
          "200": {
            "description": "List of RDAs",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "rdas": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/RdaSummary"
                      }
                    },
                    "total": {
                      "type": "integer"
                    },
                    "limit": {
                      "type": "integer"
                    },
                    "offset": {
                      "type": "integer"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/rda/{identifier}": {
      "get": {
        "summary": "Get RDA details",
        "description": "Retrieve detailed information about a specific RDA by slug or ID.",
        "operationId": "getRda",
        "security": [],
        "parameters": [
          {
            "name": "identifier",
            "in": "path",
            "required": true,
            "description": "RDA slug or ID",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "RDA details",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "rda": {
                      "$ref": "#/components/schemas/RdaDetail"
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "RDA not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/rda": {
      "post": {
        "summary": "Create an RDA",
        "description": "Create a new RDA in the marketplace.",
        "operationId": "createRda",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/CreateRdaRequest"
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "RDA created",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "rda": {
                      "$ref": "#/components/schemas/RdaDetail"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/run": {
      "post": {
        "summary": "Run an RDA",
        "description": "Execute an RDA and receive the output. Cost is deducted from your wallet balance.",
        "operationId": "runRda",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["rdaSlug", "inputs"],
                "properties": {
                  "rdaSlug": {
                    "type": "string",
                    "description": "RDA identifier (slug or ID)"
                  },
                  "inputs": {
                    "type": "object",
                    "description": "Input values matching the RDA's input schema",
                    "additionalProperties": true
                  },
                  "modelId": {
                    "type": "string",
                    "description": "Model ID for prompt RDAs (uses default if omitted)"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Successful execution",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/RunResult"
                }
              }
            }
          },
          "400": {
            "description": "Invalid input",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient balance",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "error": {
                      "type": "string"
                    },
                    "required": {
                      "type": "number"
                    },
                    "available": {
                      "type": "number"
                    },
                    "runId": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "RDA not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/wallet/balance": {
      "get": {
        "summary": "Check wallet balance",
        "description": "Get your current wallet balance, available balance, and locked funds.",
        "operationId": "getWalletBalance",
        "responses": {
          "200": {
            "description": "Wallet balance",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "wallet": {
                      "$ref": "#/components/schemas/Wallet"
                    }
                  }
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/wallet/deposit": {
      "post": {
        "summary": "Record deposit",
        "description": "Record a USDC deposit to your wallet. Send USDC on Base to your wallet address, then call this endpoint to update your balance.",
        "operationId": "recordDeposit",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["amount"],
                "properties": {
                  "amount": {
                    "type": "number",
                    "description": "USDC amount deposited",
                    "minimum": 0,
                    "exclusiveMinimum": true
                  },
                  "transactionHash": {
                    "type": "string",
                    "description": "On-chain transaction hash"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Deposit recorded",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "deposited": {
                      "type": "boolean"
                    },
                    "amount": {
                      "type": "number"
                    },
                    "transactionHash": {
                      "type": "string"
                    },
                    "newBalance": {
                      "type": "number"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid amount",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Duplicate transaction",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "description": "Privy authentication token"
      }
    },
    "schemas": {
      "RdaSummary": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "slug": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "type": {
            "type": "string",
            "enum": ["prompt", "agent", "tool"]
          },
          "status": {
            "type": "string",
            "enum": ["draft", "published", "archived"]
          },
          "verified": {
            "type": "boolean"
          },
          "featured": {
            "type": "boolean"
          },
          "trending": {
            "type": "boolean"
          },
          "coverImage": {
            "type": "string"
          },
          "pricing": {
            "$ref": "#/components/schemas/Pricing"
          },
          "stats": {
            "$ref": "#/components/schemas/Stats"
          },
          "ownerId": {
            "type": "string"
          },
          "ownerName": {
            "type": "string"
          },
          "createdAt": {
            "type": "string",
            "format": "date-time"
          },
          "updatedAt": {
            "type": "string",
            "format": "date-time"
          }
        }
      },
      "RdaDetail": {
        "allOf": [
          {
            "$ref": "#/components/schemas/RdaSummary"
          },
          {
            "type": "object",
            "properties": {
              "longDescription": {
                "type": "string"
              },
              "tags": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "codeSnippet": {
                "type": "string"
              },
              "codeLanguage": {
                "type": "string"
              },
              "version": {
                "type": "string"
              },
              "schema": {
                "type": "object",
                "properties": {
                  "inputs": {
                    "type": "array",
                    "items": {
                      "$ref": "#/components/schemas/InputField"
                    }
                  },
                  "outputs": {
                    "type": "object",
                    "properties": {
                      "type": {
                        "type": "string"
                      }
                    }
                  }
                }
              },
              "promptConfig": {
                "type": "object",
                "properties": {
                  "allowedModels": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "properties": {
                        "id": {
                          "type": "string"
                        },
                        "name": {
                          "type": "string"
                        },
                        "tier": {
                          "type": "string"
                        }
                      }
                    }
                  },
                  "defaultModelId": {
                    "type": "string"
                  }
                }
              },
              "ownerVerified": {
                "type": "boolean"
              },
              "publishedAt": {
                "type": "string",
                "format": "date-time"
              }
            }
          }
        ]
      },
      "CreateRdaRequest": {
        "type": "object",
        "required": ["slug", "type", "name", "description", "inputSchema"],
        "properties": {
          "slug": {
            "type": "string",
            "description": "URL-friendly identifier"
          },
          "type": {
            "type": "string",
            "enum": ["prompt", "agent", "tool"]
          },
          "name": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "longDescription": {
            "type": "string"
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "coverImage": {
            "type": "string"
          },
          "codeSnippet": {
            "type": "string"
          },
          "codeLanguage": {
            "type": "string"
          },
          "inputSchema": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/InputField"
            }
          },
          "outputSchema": {
            "type": "object"
          },
          "promptConfig": {
            "type": "object"
          }
        }
      },
      "RunResult": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean"
          },
          "runId": {
            "type": "string"
          },
          "output": {
            "type": "string",
            "description": "RDA output (format varies by type)"
          },
          "cost": {
            "type": "number",
            "description": "Amount charged in USDC"
          },
          "duration": {
            "type": "integer",
            "description": "Execution time in milliseconds"
          },
          "modelId": {
            "type": "string"
          },
          "usage": {
            "type": "object",
            "properties": {
              "prompt_tokens": {
                "type": "integer"
              },
              "completion_tokens": {
                "type": "integer"
              },
              "total_tokens": {
                "type": "integer"
              }
            }
          }
        }
      },
      "Wallet": {
        "type": "object",
        "properties": {
          "userId": {
            "type": "string"
          },
          "walletAddress": {
            "type": "string"
          },
          "balance": {
            "type": "number",
            "description": "Total USDC balance"
          },
          "availableBalance": {
            "type": "number",
            "description": "Balance available for spending"
          },
          "pendingLocks": {
            "type": "object",
            "additionalProperties": {
              "type": "number"
            }
          },
          "totalLocked": {
            "type": "number"
          },
          "totalDeposited": {
            "type": "number"
          },
          "totalSpent": {
            "type": "number"
          }
        }
      },
      "Pricing": {
        "type": "object",
        "properties": {
          "model": {
            "type": "string",
            "enum": ["per-run", "per-token"]
          },
          "amount": {
            "type": "number"
          },
          "currency": {
            "type": "string",
            "enum": ["USDC"]
          },
          "estimatedCost": {
            "type": "string"
          }
        }
      },
      "Stats": {
        "type": "object",
        "properties": {
          "totalRuns": {
            "type": "integer"
          },
          "totalRevenue": {
            "type": "number"
          },
          "averageRating": {
            "type": "number"
          },
          "totalRatings": {
            "type": "integer"
          },
          "successRate": {
            "type": "number"
          },
          "averageLatency": {
            "type": "integer",
            "description": "Average execution time in ms"
          }
        }
      },
      "InputField": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "label": {
            "type": "string"
          },
          "type": {
            "type": "string",
            "enum": ["text", "textarea", "number", "select", "boolean"]
          },
          "required": {
            "type": "boolean"
          },
          "placeholder": {
            "type": "string"
          },
          "options": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      },
      "Error": {
        "type": "object",
        "properties": {
          "error": {
            "type": "string"
          },
          "code": {
            "type": "string"
          },
          "details": {
            "type": "object"
          }
        }
      }
    }
  }
}