Client errors

428

Precondition Required

On tap: Bring a Receipt

He wants you to say which version you are changing.

What it meansThe server requires a conditional request to avoid lost updates.
What to doSend If-Match with the ETag you last saw.
Should an agent retry?Do not retry unchanged The same request will fail the same way. Change the request, the credentials or the target first.
For your agentcurl https://tokentender.ai/api/http?code=428
Post on XSave the card

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