# `PUT /v1/services/{serviceId}` — Connect or replace a service

Part of the [Bkper Managed Agent API](https://preview.bkper.com/docs/api/managed-agent.md). Read its guide for authentication, conventions, and examples.

Only with the user's own token: through an App or channel bot, 404. Replaces the whole service, its secret always included; 201 when it is new. 409 host_in_use when another service holds a host, 409 service_limit at 20 services, 503 service_unavailable when it cannot be stored encrypted.

## Operation contract

```json
{
  "operationId": "putService",
  "tags": [
    "Services"
  ],
  "summary": "Connect or replace a service",
  "security": [
    {
      "bearerAuth": []
    }
  ],
  "parameters": [
    {
      "name": "serviceId",
      "in": "path",
      "required": true,
      "schema": {
        "type": "string",
        "pattern": "^[a-z0-9][a-z0-9-]{0,63}$"
      }
    }
  ],
  "description": "Only with the user's own token: through an App or channel bot, 404. Replaces the whole service, its secret always included; 201 when it is new. 409 host_in_use when another service holds a host, 409 service_limit at 20 services, 503 service_unavailable when it cannot be stored encrypted.",
  "requestBody": {
    "required": true,
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/PutService"
        }
      }
    }
  },
  "responses": {
    "200": {
      "description": "Replaced",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Service"
          }
        }
      }
    },
    "201": {
      "description": "Connected",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Service"
          }
        }
      }
    },
    "400": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "401": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "403": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "404": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "409": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "410": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "411": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "413": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "503": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    }
  }
}
```

## Schemas

### PutService

```json
{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64,
      "pattern": "^[^\\u0000-\\u001f\\u007f]*$",
      "description": "Display name, such as GitHub."
    },
    "targets": {
      "minItems": 1,
      "maxItems": 10,
      "type": "array",
      "items": {
        "oneOf": [
          {
            "type": "object",
            "properties": {
              "host": {
                "type": "string",
                "pattern": "^(?=.{1,253}$)(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\\.)+[a-z](?:[a-z0-9-]{0,61}[a-z0-9])?$",
                "description": "An exact lowercase DNS name with at least two labels, reached over HTTPS on its default port: no wildcard, port, path, IP literal or localhost. Bkper and Cloudflare Artifacts hosts are refused (400 host_not_allowed): they have their own routes."
              },
              "scheme": {
                "type": "string",
                "const": "bearer"
              }
            },
            "required": [
              "host",
              "scheme"
            ],
            "additionalProperties": false
          },
          {
            "type": "object",
            "properties": {
              "host": {
                "type": "string",
                "pattern": "^(?=.{1,253}$)(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\\.)+[a-z](?:[a-z0-9-]{0,61}[a-z0-9])?$",
                "description": "An exact lowercase DNS name with at least two labels, reached over HTTPS on its default port: no wildcard, port, path, IP literal or localhost. Bkper and Cloudflare Artifacts hosts are refused (400 host_not_allowed): they have their own routes."
              },
              "scheme": {
                "type": "string",
                "const": "basic"
              },
              "username": {
                "type": "string",
                "minLength": 1,
                "maxLength": 128,
                "pattern": "^[^\\x00-\\x1f\\x7f:]+$",
                "description": "basic only: the username sent with the secret. No colon."
              }
            },
            "required": [
              "host",
              "scheme",
              "username"
            ],
            "additionalProperties": false
          },
          {
            "type": "object",
            "properties": {
              "host": {
                "type": "string",
                "pattern": "^(?=.{1,253}$)(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\\.)+[a-z](?:[a-z0-9-]{0,61}[a-z0-9])?$",
                "description": "An exact lowercase DNS name with at least two labels, reached over HTTPS on its default port: no wildcard, port, path, IP literal or localhost. Bkper and Cloudflare Artifacts hosts are refused (400 host_not_allowed): they have their own routes."
              },
              "scheme": {
                "type": "string",
                "const": "header"
              },
              "header": {
                "type": "string",
                "pattern": "^[!#$%&'*+.^_`|~0-9A-Za-z-]{1,64}$",
                "description": "header only: the header that carries the secret, such as x-api-key. Not host, content-length, transfer-encoding, connection."
              }
            },
            "required": [
              "host",
              "scheme",
              "header"
            ],
            "additionalProperties": false
          },
          {
            "type": "object",
            "properties": {
              "host": {
                "type": "string",
                "pattern": "^(?=.{1,253}$)(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\\.)+[a-z](?:[a-z0-9-]{0,61}[a-z0-9])?$",
                "description": "google only: a Google API host, ending in .googleapis.com, such as analyticsdata.googleapis.com. Not oauth2.googleapis.com (400 host_not_allowed)."
              },
              "scheme": {
                "type": "string",
                "const": "google"
              }
            },
            "required": [
              "host",
              "scheme"
            ],
            "additionalProperties": false
          }
        ],
        "description": "A host that gets the credential, and how: `bearer` sends `Authorization: Bearer <secret>`; `basic` sends `Authorization: Basic base64(<username>:<secret>)`; `header` sends `<header>: <secret>`; `google` sends `Authorization: Bearer <access token>`, made from the stored Google service account key for the service's scopes."
      },
      "description": "1 to 10 hosts, each once. A service with a `google` target has only `google` targets."
    },
    "google": {
      "type": "object",
      "properties": {
        "scopes": {
          "minItems": 1,
          "maxItems": 20,
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^https:\\/\\/www\\.googleapis\\.com\\/auth\\/[A-Za-z0-9._-]+(?:\\/[A-Za-z0-9._-]+)*$"
          },
          "description": "1 to 20 OAuth scopes, each https://www.googleapis.com/auth/…, such as https://www.googleapis.com/auth/analytics.readonly."
        }
      },
      "required": [
        "scopes"
      ],
      "additionalProperties": false,
      "description": "Google services only, and always with `google` targets: the scopes their access tokens are made for."
    },
    "secret": {
      "type": "string",
      "minLength": 1,
      "maxLength": 8192,
      "description": "Up to 8192 characters. A token: printable ASCII, without spaces at either end. For `google`, the service account's JSON key file as it is (400 invalid_request when it is not a service account key). Write-only: never returned, logged or shown to the agent."
    }
  },
  "required": [
    "name",
    "targets",
    "secret"
  ],
  "additionalProperties": false
}
```

### Service

```json
{
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "name": {
      "type": "string"
    },
    "targets": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "host": {
            "type": "string"
          },
          "scheme": {
            "type": "string",
            "description": "How the secret is sent. Open: bearer | basic | header | google."
          },
          "username": {
            "description": "basic only.",
            "type": "string"
          },
          "header": {
            "description": "header only.",
            "type": "string"
          }
        },
        "required": [
          "host",
          "scheme"
        ]
      }
    },
    "google": {
      "description": "Google services only.",
      "type": "object",
      "properties": {
        "scopes": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "clientEmail": {
          "type": "string",
          "description": "The service account's email, read from its key: share what the agent should reach with it."
        }
      },
      "required": [
        "scopes",
        "clientEmail"
      ]
    },
    "createdAt": {
      "type": "string",
      "pattern": "^\\d+$",
      "description": "Milliseconds since the epoch, as a string."
    },
    "updatedAt": {
      "type": "string",
      "pattern": "^\\d+$",
      "description": "Milliseconds since the epoch, as a string."
    }
  },
  "required": [
    "id",
    "name",
    "targets",
    "createdAt",
    "updatedAt"
  ],
  "description": "A service the user connected: requests the agent sends to its hosts carry the stored secret, added outside the sandbox. The secret is never returned."
}
```

### Error

```json
{
  "type": "object",
  "properties": {
    "error": {
      "type": "object",
      "properties": {
        "code": {
          "type": "string",
          "description": "Stable code, e.g. not_found, idempotency_conflict, session_working, usage_limit_exceeded. Open."
        },
        "type": {
          "description": "Category, e.g. invalid_request_error, authentication_error, usage_limit_error. Open.",
          "type": "string"
        },
        "message": {
          "type": "string"
        },
        "host": {
          "description": "host_in_use: the host another service holds.",
          "type": "string"
        },
        "service": {
          "description": "host_in_use: the id of the service that holds the host.",
          "type": "string"
        }
      },
      "required": [
        "code"
      ]
    }
  },
  "required": [
    "error"
  ]
}
```

## Authentication

```json
{
  "bearerAuth": {
    "type": "http",
    "scheme": "bearer"
  }
}
```
