Idempotency keys done right: the pattern each implementation misses
Three patterns for making an API endpoint idempotent — and the specific failure mode inside each one that most implementations quietly ship without fixing.
Three patterns for making an API endpoint idempotent — and the specific failure mode inside each one that most implementations quietly ship without fixing.
Developer PR rates nearly doubled on AI-heavy teams. Review time went up 91%. Here is what the data says about why faster code has not led to faster delivery — and three structural changes that do.
Every analysis of freemium starts with the conversion rate maths. That's not where B2B freemium actually fails. Missing the real mechanism means most founders fix the wrong thing.
Kafka 4.0 introduced Share Groups, enabling more consumers than partitions for the first time. The trade-off is per-key ordering. This guide covers when that trade-off is worth making.
LLM evaluation in production is three different problems bundled into one confused setup. Here's how to separate them, and what each one actually needs.
Most DPDP guidance is written for compliance officers. This is the engineering version: schema migrations, consent state machines, retention jobs, and audit patterns for a defensible Indian SaaS codebase.
ONDC crossed 218 million transactions in FY 2025-26. But mobility now drives over half of all orders, and retail — the segment the protocol was built to democratise — peaked in October 2024 and has been falling since.
India hosts the second-largest SaaS ecosystem outside the US. The raise-or-bootstrap question has a different answer in 2026 than it did in 2021. Here's the data behind the shift.
AI didn't kill the take-home coding assignment — it exposed what was always wrong with it. Five alternatives that actually predict whether someone can do the job.
Most engineering take-homes broke when AI tools arrived. But the format was already measuring the wrong thing. Here's how to redesign the rubric so the assessment holds up.
Legal is not reviewing every npm install — you are. Here is the practical check to run before adding a dependency, and the licence type that catches most SaaS teams off guard.
Three years after the GPT-4 wrapper wave, a handful of AI companies are thriving and most are gone. The split was not random — and the pattern tells you something useful about building on top of LLMs in 2026.
Practical guides, product updates, and compliance notes — straight to your inbox. No fluff.
Newsletter is opening soon. We'll switch this on once we've got our first issue ready.