webhook authentication Articles | InstaWebhook

Sep 20, 2026By InstaWebhook TeamWebhook Security

Taming "At-Least-Once" Delivery: Idempotent Webhook Ingestion in PostgreSQL

Taming "At-Least-Once" Delivery: Idempotent Webhook Ingestion in PostgreSQL Webhooks are how payment processors, commerce platforms and card issuers keep your system in sync with...

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Sep 19, 2026By InstaWebhook TeamWebhook Security

Building a Custom Webhook Provider: API Design Lessons from Stripe and GitHub

Building a Custom Webhook Provider: API Design Lessons from Stripe and GitHub Fact-checked against the official Stripe, GitHub and Standard Webhooks documentation in September...

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Sep 7, 2026By InstaWebhook TeamWebhook Security

RFC 9421 and the Future of Webhook Signatures: What's Actually Changing

RFC 9421 and the Future of Webhook Signatures: What's Actually Changing For over a decade, event-driven web architecture has relied on an uncoordinated patchwork of proprietary...

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Aug 12, 2026By InstaWebhook TeamWebhook Security

The Danger of Exposing Your Main API to Third-Party Webhooks (And How to Fix It)

The Danger of Exposing Your Main API to Third-Party Webhooks (And How to Fix It) As modern web applications become increasingly event-driven, third-party webhooks have become the...

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Jul 5, 2026By InstaWebhook TeamWebhook Security

Webhook Security Best Practices: HMAC, Replay Attacks & Encryption

Webhooks are the quiet infrastructure behind most modern integrations

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