Webhook Security for API Providers

When building a SaaS product that sends webhooks, providers must ensure robust security measures are in place, not just for their infrastructure but also to enable customers to safely receive and verify events. Key practices include signing payloads with HMAC-SHA256 to allow customers to verify webhook authenticity, using stable event IDs to prevent replay attacks, and implementing SSRF protection by running delivery workers in isolated network segments. Providers should also maintain comprehensive delivery logs and enforce HTTPS to safeguard transport security, while supporting mutual TLS for regulated industries. Rolling secrets with an overlap period ensure seamless secret rotation without delivery gaps. Convoy offers an open-source webhooks gateway that addresses these security and delivery challenges, allowing providers to focus on product development while offering a self-service portal for customers to manage endpoints and debug issues.

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