Webhooks
Sending submissions to other systems with webhooks: payloads, signatures, retries and idempotency.
4 articles
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Webhook Retries and Idempotency: Prevent Duplicate Actions
Make webhook retries safe with event IDs, idempotent receivers, exponential backoff, fast acknowledgments, action logs, and replay controls.
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Webhook Signature Verification With HMAC-SHA256
Implement webhook signature verification with HMAC-SHA256, raw request bodies, timestamp checks, constant-time comparison, and secret rotation.
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WordPress Payment Form Workflow: Submit, Pay, Confirm, Fulfill
Build a reliable WordPress payment form workflow with server-calculated amounts, pending submissions, verified webhooks, and one-time fulfillment.
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Webhooks vs Zapier vs native integrations
Three ways to wire form submissions to external tools. Each has a sweet spot. Picking the wrong one costs money or maintenance time.
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