API Design · Junior · Question 20 of 75

What is the `Accept` header for?

1The server says whether it accepted the request
2It carries the API key
✓Correct answer: The client says which response media types it can handle, e.g. application/json

Explanation

This is content negotiation. If the server can't produce any acceptable format, it can answer 406 Not Acceptable.

Further reading

MDN: Content negotiation ↗

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