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API gateways in 2026: revisit Kong, Apache APISIX and Traefik before you put another gateway in front of your services

Picture an agri-inputs distributor in Indore (an invented example, not a real client). Dealers order seed, fertiliser and crop-protection products from a mobile and web app.

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Idempotency keys: revisit your retries before they charge twice

A customer taps “Pay”, the spinner keeps turning, the mobile network drops and the app tries again. Between that phone and your database, an SDK, a proxy or a queue consumer may also try again.

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