Ultimate makes a server to server HTTP request to your backend system.
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ℹ️ Note: If your API has different requirements, please reach out to your Ultimate contact to discuss. |
Technical Requirements of your backend API
API types
Your API must be one of the following:
- REST APIs
- GraphQL
Response:
Your API response must follow the general requirements:
- Provide an API response within 9 seconds
- Preferably JSON format
Authentication
From the Ultimate side, we can authenticate using any of the following:
- JWT
- API key or token-based
- Basic authentication
- OAuth 2.0
- IP safelists/allowlist
Self checklist
The self-checklist below contains questions and information that will help you build a robust API:
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Is the API "searchable" with data that a typical user has?
- Does the data in the API response contain information that a typical user is looking for?
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Is it known when the API throws a 200, a 400, and a 404 HTTP status code?
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What does the API return if the input is invalid or incorrect?
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Documentation - API request and response schema
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Test data for the most common use cases
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Your API rate limit
Read more about the onboarding plan in the previous article, Custom integration - preparation.