The IETF HTTP API standards for Laravel: Idempotency-Key replays that compare the request body, and RFC 9457 problem details for every API error.
php http middleware laravel rest-api laravel-framework laravel-package error-handling ietf retries http-api problem-details idempotency php8 rfc7807 problem-json idempotent-requests idempotency-key rfc9457 api-errors
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Updated
Nov 8, 2026 - PHP