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Before You Start

The Offerslook API is designed for developers, engineers, or anyone else who’s comfortable creating custom-coded solutions or integrating with RESTful APIs.


There is one authentication methods for the API: HTTP Basic authentication. The easiest way to authenticate is using HTTP Basic authentication.

Network API Authentication: Enter network’s name as your username and supply your API Key as the password.

Affiliate API Authentication: Enter affiliate’s email as your username and supply your API Key as the password.


The API only supports JSON. So instead of XML, HTTP POST parameters, or other serialization formats, most POST and PATCH requests require a valid JSON object for the body.

HTTP Methods

The API supports 5 HTTP methods for interacting with resources:
  • GET
Make a GET request to retrieve data. GET requests will never cause an update or change to your data because they’re safe and idempotent.
  • POST
Use a POST request to create new resources. For example, make a POST request to a collection endpoint (like /lists) where the body of your request JSON is a new list.
Make a PATCH request to update a resource. With PATCH requests, you only need to provide the data you want to change.
  • PUT
Use a PUT request to create or update a resource. This is most useful for syncing subscriber data.
Make a DELETE request to remove a resource.


We give a valid, signed certificate for all API methods. If you’re manually coding submit URLs, change http to https in the URL, and make sure your connection library supports HTTPS.
Notice: Offerslook will support SSL within 1-2 month.


There are 4 main categories of parameters for each endpoint in the Offerslook API: path, query string, request body, and response body. The API Reference includes a list of all available parameters for each possible request, but these sections offer an overview of the 4 main categories and their subcategories.


We expose API errors in two ways: standard HTTP response codes and human-readable messages in JSON format. For example, the following code snippet shows an HTTP 405 error in the response headers:
And this snippet shows the human-readable error as a JSON object, we recommend reviewing the Application Error Codes for more context to help you troubleshoot.
For HTTP response codes, 4xx codes suggest a bad request. If you receive a 4xx response, we recommend reviewing the Http Status Codes for more context to help you troubleshoot.
Otherwise, you’re welcome to contact our support team[[email protected]]. If you contact support, we recommend including the complete request you’re trying to make and the error code and response you’re receiving so they can help as quickly as possible.

Http Status Codes

Review all global errors for the Offerslook API so you can get back to work fast.
API Key Invalid
Your API key may be invalid, or you’ve attempted to access the wrong data center.
The current request requires user authentication. For example, the user does not have the necessary credentials.
No permissions visit this resource.
You are not permitted to access this resource.
The request was a valid request, but the server is refusing to respond to it. For example, the user does not have the necessary permissions for the resource.
Resource Not Found
The requested resource could not be found.
This error tells you a specific resource doesn’t exist. It’s possible that the resource has been moved or deleted, or that there’s a typo in your request.
Server error,Please contact your administrator
A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.Please contact Support for more information.
This error lets you know our servers have experienced a problem. Although this is rare, please contact [email protected] to let us know that you’ve encountered this error.
Request uri not found
The requested uri resource could not be found.
The server either does not recognize the request method, or it lacks the ability to fulfill the request.

Application Error Codes

Invalid API Key
Unauthorized Request
Invalid API Domain
Request Parameter Error
Bad Request
Resource Not Found
Invalid Request Method
Duplicated Resource
Too Many Request
Request IP Not Whitelisted
Account is locked
System upgrade
Server Internal Error
Illegal Operation