Payment Application API

Information about Channex Payment Application API

Introduction

The Payment Application is a new and safe way for a PMS connected with Channex to charge payments through Stripe API without the headache of PCI DSS and handling credit cards. Once the Payment App is installed and configured you will be able to charge cards through Channex API directly to the properties Stripe account. We charge a small fee to the connected Stripe account each time a card is charged.

Application Installation and Configuration

Install the Payment Application

To Install the Payment Application you should send an application installation request:

POST /api/v1/applications

Payload:
{
    "application_installation": {
        "property_id": "{{PROPERTY_ID}}",
        "application_code": "channex_payments"
    }
}

Response:
{
    "data": [
        {
            "attributes": {
                "id": "12ca008c-95e9-4668-942a-d255b618c00e",
                "settings": null,
                "property_id": "c19a05af-8c8c-4754-8c8a-8132845d4cac",
                "application_id": "8587fbf6-a6d1-46f8-8c12-074273284917",
                "application_code": "channex_messages"
            },
            "id": "12ca008c-95e9-4668-942a-d255b618c00e", <-- INSTALLATION ID
            "type": "application_installation"
        }
    ]
}

For more information about this API look here Applications API.

Application configuration

The next step is the Application Configuration. At this step you should connect the property Stripe Account to the Channex Payments app.

To setup Stripe connection, you should go over oAuth process, it can be triggered from the Channex user interface or via API.

Initiate oAuth connection

Send a request to connect:

POST /api/v1/applications/payment_app/{{installation_id}}/connect

Payload:
{
  "provider": "stripe",
  "title": "Custom Title For Provider",
  "redirect_url": "HTTPS Endpoint at your side to handle redirect"
}

Response:
{
  "data": {
    "link": "STRIPE_OAUTH_LINK"
  }
}

When you receive a response, you should redirect User to received data.link URL.

User will go over the connection pipeline and be redirected to the provided Redirect URL.

Get Application Info API

Get list of connected Providers

To get list of connected Providers you can use the next API:

POST /api/v1/applications/payment_app/{{installation_id}}/providers

Payload:
{
  "page": 1,
  "limit": 10
}

Response:
{
  "data": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "type": "payment_provider",
      "attributes": {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "title": "string",
        "provider": "stripe",
        "is_active": "USD",
        "is_default": true,
        "details": {
          "account_id": "xyz123"
        }
      }
    }
  ]
}

Update Payment Provider

To update title for existing Payment Provider you can use next request:

PUT /api/v1/applications/payment_app/{{installation_id}}/update_provider

Payload:
{
  "params": {
    "title": "string"
  },
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
}

Response:
{
  "data": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "type": "payment_provider",
      "attributes": {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "title": "Test",
        "provider": "stripe",
        "is_active": "USD",
        "is_default": true,
        "details": {
          "account_id": "xyz123"
        }
      }
    }
  ]
}

Set the Payment Provider as default

Because you can have more then one connected Payment Provider, you should be able to choose which Payment Provider will be used as default.

POST /api/v1/applications/payment_app/{{installation_id}}/set_provider_as_default

Payload:
{
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
}

Response:
{
  "data": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "type": "payment_provider",
      "attributes": {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "title": "Test",
        "provider": "stripe",
        "is_active": "USD",
        "is_default": true,
        "details": {
          "account_id": "xyz123"
        }
      }
    }
  ]
}

Payment API

Channex Payment API supports these operations:

  • pre auth

  • settle pre-authorized charge

  • void pre-authorized charge

  • charge

  • refund

Pre Auth

To create pre-auth payment

POST /api/v1/bookings/{{booking_id}}/pre_auth_payment

Payload:
{
  "amount": "100.50", <-- AMOUNT AS A STRING
  "booking_id": "{{BOOKING_ID}}",
  "payment_provider_id": "{{PAYMENT_PROVIDER_ID}}",
  "description": "string"
}

Response:
{
  "data": {
    "attributes": {
      "id": "ba8dcd0f-fc91-4778-ae9f-6927a359c849",
      "status": "pre_authorized",
      "description": "string",
      "currency": "GBP",
      "amount": "100.50",
      "inserted_at": "2025-06-18T12:35:03.887722",
      "updated_at": "2025-06-18T12:35:03.887722",
      "transactions": [
        {
          "id": "486f0134-b776-46ec-9f0b-2e97f5505433",
          "type": "pre_auth",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:35:03.893527",
          "updated_at": "2025-06-18T12:35:03.893527",
          "ip_address": "118.0.0.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "pi_3RbLClEX4pVZ00VM01OZKST6"
          }
        }
      ],
      "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
    },
    "id": "ba8dcd0f-fc91-4778-ae9f-6927a359c849", <-- PAYMENT ID
    "type": "payment",
    "relationships": {
      "users": {
        "data": [
          {
            "attributes": {
              "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
              "name": "UserName",
              "email": "[email protected]"
            },
            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
            "type": "user"
          }
        ]
      },
      "booking": {
        "data": {
          "attributes": {
            "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
            "reference": "OSA-CA20F017F2"
          },
          "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "type": "booking"
        }
      }
    }
  }
}

Settle pre-authorized payment

POST /api/v1/bookings/{{booking_id}}/settle_payment

Payload:
{
  "payment_id":"{{PAYMENT_ID}}"
}

Response:
{
    "data": {
        "attributes": {
            "id": "94f57ee1-484d-45e6-906a-bc95dbe4498a",
            "status": "charged",
            "description": "Desc",
            "currency": "GBP",
            "amount": "100.50",
            "inserted_at": "2025-06-18T12:37:54.000000",
            "updated_at": "2025-06-18T12:38:47.884441",
            "transactions": [
                {
                    "id": "dd150ee1-4b41-40ae-bb9a-18ec89d3f3e2",
                    "type": "pre_auth",
                    "currency": "GBP",
                    "amount": "100.50",
                    "inserted_at": "2025-06-18T12:37:54.000000",
                    "updated_at": "2025-06-18T12:37:54.000000",
                    "ip_address": "77.21.15.232",
                    "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                    "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                    "details": {
                        "id": "pi_3RbLFVEX4pVZ00VM1wKBjJnl"
                    },
                    "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
                },
                {
                    "id": "1f573871-3406-42c0-8786-8e7eeed65c94",
                    "type": "charge",
                    "currency": "GBP",
                    "amount": "100.50",
                    "inserted_at": "2025-06-18T12:38:47.879886",
                    "updated_at": "2025-06-18T12:38:47.879886",
                    "ip_address": "77.21.15.232",
                    "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                    "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                    "details": {
                        "id": "pi_3RbLFVEX4pVZ00VM1wKBjJnl"
                    },
                    "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
                }
            ],
            "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
        },
        "id": "94f57ee1-484d-45e6-906a-bc95dbe4498a",
        "type": "payment",
        "relationships": {
            "users": {
                "data": [
                    {
                        "attributes": {
                            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                            "name": "UserName",
                            "email": "[email protected]"
                        },
                        "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                        "type": "user"
                    }
                ]
            },
            "booking": {
                "data": {
                    "attributes": {
                        "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                        "reference": "OSA-CA20F017F2"
                    },
                    "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                    "type": "booking"
                }
            },
            "payment_provider": {
                "data": {
                    "attributes": {
                        "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
                        "title": "20250524",
                        "is_active": true,
                        "provider": "stripe",
                        "details": {
                            "account_id": "acct_1RS8B7EX4pVZ00VM"
                        },
                        "is_default": true
                    },
                    "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
                    "type": "payment_provider"
                }
            }
        }
    }
}

Void pre-authorized payment

POST /api/v1/bookings/{{booking_id}}/void_payment

Payload:
{
  "payment_id":"{{PAYMENT_ID}}"
}

Response:
{
  "data": {
    "attributes": {
      "id": "de9d8488-d7de-4751-b3aa-1384e6b02d21",
      "status": "cancelled",
      "description": "description",
      "currency": "GBP",
      "amount": "100.50",
      "inserted_at": "2025-06-18T12:43:04.000000",
      "updated_at": "2025-06-18T12:43:08.534023",
      "transactions": [
        {
          "id": "61de594d-62b5-4d20-8c0e-06ff81e254b3",
          "type": "pre_auth",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:43:04.000000",
          "updated_at": "2025-06-18T12:43:04.000000",
          "ip_address": "77.21.15.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "pi_3RbLKVEX4pVZ00VM0BZ6FB6E"
          },
          "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
        },
        {
          "id": "cba8dd7b-1d83-4c6c-ae21-87ef6a1f1f63",
          "type": "void",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:43:08.530890",
          "updated_at": "2025-06-18T12:43:08.530890",
          "ip_address": "77.21.15.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "pi_3RbLKVEX4pVZ00VM0BZ6FB6E"
          },
          "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
        }
      ],
      "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
    },
    "id": "de9d8488-d7de-4751-b3aa-1384e6b02d21",
    "type": "payment",
    "relationships": {
      "users": {
        "data": [
          {
            "attributes": {
              "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
              "name": "UserName",
              "email": "[email protected]"
            },
            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
            "type": "user"
          }
        ]
      },
      "booking": {
        "data": {
          "attributes": {
            "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
            "reference": "OSA-CA20F017F2"
          },
          "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "type": "booking"
        }
      },
      "payment_provider": {
        "data": {
          "attributes": {
            "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
            "title": "20250524",
            "is_active": true,
            "provider": "stripe",
            "details": {
              "account_id": "acct_1RS8B7EX4pVZ00VM"
            },
            "is_default": true
          },
          "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
          "type": "payment_provider"
        }
      }
    }
  }
}

Charge payment

POST /api/v1/bookings/{{booking_id}}/charge_payment

Payload:
{
  "booking_id": "{{BOOKING_ID}}",
  "payment_provider_id": "{{PAYMENT_PROVIDER_ID}}",
  "amount": "10.00",
  "description": "description"
}

Response:
{
  "data": {
    "attributes": {
      "id": "73538783-d1c1-436a-b947-b4263232023b",
      "status": "charged",
      "description": "description",
      "currency": "GBP",
      "amount": "100.50",
      "inserted_at": "2025-06-18T12:46:04.585381",
      "updated_at": "2025-06-18T12:46:04.585381",
      "transactions": [
        {
          "id": "4e9a0b02-28b0-4a4f-b1cb-b6bea06dd30a",
          "type": "charge",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:46:04.591567",
          "updated_at": "2025-06-18T12:46:04.591567",
          "ip_address": "77.21.15.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "pi_3RbLNPEX4pVZ00VM1MpGZx4N"
          }
        }
      ],
      "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
    },
    "id": "73538783-d1c1-436a-b947-b4263232023b",
    "type": "payment",
    "relationships": {
      "users": {
        "data": [
          {
            "attributes": {
              "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
              "name": "UserName",
              "email": "[email protected]"
            },
            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
            "type": "user"
          }
        ]
      },
      "booking": {
        "data": {
          "attributes": {
            "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
            "reference": "OSA-CA20F017F2"
          },
          "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "type": "booking"
        }
      }
    }
  },
  "success": true
}

Refund for an existing payment

POST /api/v1/bookings/{{booking_id}}/refund_payment

Payload:
{
  "amount": "100.50"
  "payment_id": "{{PAYMENT_ID}}"
}

Response:
{
  "data": {
    "attributes": {
      "id": "73538783-d1c1-436a-b947-b4263232023b",
      "status": "refunded",
      "description": "description",
      "currency": "GBP",
      "amount": "0.00",
      "inserted_at": "2025-06-18T12:46:05.000000",
      "updated_at": "2025-06-18T12:48:30.611340",
      "transactions": [
        {
          "id": "4e9a0b02-28b0-4a4f-b1cb-b6bea06dd30a",
          "type": "charge",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:46:05.000000",
          "updated_at": "2025-06-18T12:46:05.000000",
          "ip_address": "77.21.15.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "pi_3RbLNPEX4pVZ00VM1MpGZx4N"
          },
          "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
        },
        {
          "id": "89282eb0-2aa1-4913-9c5a-7f115582eb33",
          "type": "refund",
          "currency": "GBP",
          "amount": "100.50",
          "inserted_at": "2025-06-18T12:48:30.602890",
          "updated_at": "2025-06-18T12:48:30.602890",
          "ip_address": "77.21.15.232",
          "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
          "details": {
            "id": "re_3RbLNPEX4pVZ00VM1VJ2XDpX"
          },
          "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
        }
      ],
      "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
    },
    "id": "73538783-d1c1-436a-b947-b4263232023b",
    "type": "payment",
    "relationships": {
      "users": {
        "data": [
          {
            "attributes": {
              "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
              "name": "UserName",
              "email": "[email protected]"
            },
            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
            "type": "user"
          }
        ]
      },
      "booking": {
        "data": {
          "attributes": {
            "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
            "reference": "OSA-CA20F017F2"
          },
          "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
          "type": "booking"
        }
      },
      "payment_provider": {
        "data": {
          "attributes": {
            "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
            "title": "20250524",
            "is_active": true,
            "provider": "stripe",
            "details": {
              "account_id": "acct_1RS8B7EX4pVZ00VM"
            },
            "is_default": true
          },
          "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
          "type": "payment_provider"
        }
      }
    }
  }
}

Errors

Once you work with Payment API you can get some errors:

Validation Error for a big amount

Total amount can’t be greater then booking due amount.

{
    "errors": {
        "code": "validation_error",
        "title": "Validation Error",
        "details": {
            "amount": [
                "is too big"
            ]
        }
    }
}

Data Structures

Payment

{
  "id": "73538783-d1c1-436a-b947-b4263232023b",
  "status": "refunded",
  "description": "description",
  "currency": "GBP",
  "amount": "0.00",
  "inserted_at": "2025-06-18T12:46:05.000000",
  "updated_at": "2025-06-18T12:48:30.611340",
  "transactions": [...],
  "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2"
}

status Enumerable, one of charged, refunded, pre_authorized, cancelled, partially_refunded.

description String, free-form description for a payment.

currency String. 3 symbols. Currency of a payment. Taken automatically from Booking object.

amount String. Represent amount of Payment.

booking_id UUID. Link to associated Booking.

transactions List of Transaction objects.

Transaction

{
  "id": "89282eb0-2aa1-4913-9c5a-7f115582eb33",
  "type": "refund",
  "currency": "GBP",
  "amount": "100.50",
  "inserted_at": "2025-06-18T12:48:30.602890",
  "updated_at": "2025-06-18T12:48:30.602890",
  "ip_address": "77.21.15.232",
  "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
  "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
  "details": {
    "id": "re_3RbLNPEX4pVZ00VM1VJ2XDpX"
  },
  "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
}

type Enum. One of possible values: charge, refund, pre_auth, void.

currency String. 3 symbols. Currency of a payment. Taken automatically from Booking object.

amount String. Represent amount of Payment.

details Object with raw Stripe transaction ID.

payment_provider_id UUID. Link to used Payment Provider.

booking_id UUID. Link to associated Booking.

user_id UUID. Link to User Object who made Payment.

ip_address

String. IP Address of User who made Payment.

Please, keep in mind, Transaction object is idempotent and can’t be changed over time.

At same time Payment object is mutable and can be changed after each operation.

Reporting API

The last part of Payment API is reporting API. It can be used to collect information about Payments provided via Channex Payment App.

POST /api/v1/applications/payment_app/{{installation_id}}/transactions

Payload:
{
  "pagination": {
    "page": 1,
    "limit": 10
  },
  "order": {
    "inserted_at": "asc"
  },
  "filter": {}
}

Response:
{
    "data": [
        {
            "attributes": {
                "id": "89282eb0-2aa1-4913-9c5a-7f115582eb33",
                "type": "refund",
                "currency": "GBP",
                "amount": "10.00",
                "inserted_at": "2025-06-18T12:48:31.000000",
                "updated_at": "2025-06-18T12:48:31.000000",
                "ip_address": "77.21.15.232",
                "booking_id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                "user_id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                "details": {
                    "id": "re_3RbLNPEX4pVZ00VM1VJ2XDpX"
                },
                "payment_provider_id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753"
            },
            "relationships": {
                "user": {
                    "data": {
                        "attributes": {
                            "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                            "name": "UserName",
                            "email": "[email protected]"
                        },
                        "id": "6e085073-673b-49c5-be75-3c5d1cf6eb1c",
                        "type": "user"
                    }
                },
                "booking": {
                    "data": {
                        "attributes": {
                            "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                            "reference": "OSA-CA20F017F2"
                        },
                        "id": "513866a5-bdb1-4ff5-b02f-390f7fad7bd2",
                        "type": "booking"
                    }
                },
                "payment_provider": {
                    "data": {
                        "attributes": {
                            "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
                            "title": "20250524",
                            "is_active": true,
                            "provider": "stripe",
                            "details": {
                                "account_id": "acct_1RS8B7EX4pVZ00VM"
                            },
                            "is_default": true
                        },
                        "id": "ccaf28f3-f066-4f7d-b5a5-6dafd8a98753",
                        "type": "payment_provider"
                    }
                },
                "payment": {
                    "data": {
                        "id": "73538783-d1c1-436a-b947-b4263232023b",
                        "type": "payment"
                    }
                }
            }
        }
    ],
    "meta": {
        "total": 17,
        "limit": 1,
        "order_by": "inserted_at",
        "page": 1,
        "order_direction": "desc"
    }
}

Open Spec API

56KB
booking_payments_api.yaml
20KB
payment_app_api.yaml
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