Service
API and webhook integration
Design and implement REST API and webhook integrations with signature verification, retries, idempotency and clear failure handling.
The problem
Third-party webhooks arrive late, duplicated or out of order. Without idempotency and verification, systems double-process events or accept forged requests.
Who it is for
- • Teams connecting payment, shipping or CRM systems
- • Backend developers hardening webhook receivers
- • Businesses replacing brittle polling jobs
What is included
- • Receiver design and authentication
- • Signature verification
- • Idempotency keys / event deduplication
- • Retry and dead-letter strategy
- • Observability basics
Deliverables
- • Implemented or reviewed webhook/API flow
- • Test payloads and failure scenarios
- • Operational notes
How it works
- Step 1
Map event producers and consumers
- Step 2
Implement or harden the integration
- Step 3
Validate with replay and duplicate tests
Further steps in a typical engagement: Handover
Indicative project pricing
From €400.00
Digital product tooling for webhook reliability is also planned in the shop for self-serve use.
- • Indicative unless confirmed as a fixed quote.
- • VAT treatment is confirmed in your quote (shop prices follow site tax settings).
- • Third-party gateway, API or software fees are not included unless stated.
- • Ongoing support is only included when a support package is agreed.
FAQ
Yes where useful for the engagement, and a reusable webhook kit is planned as a digital product.
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Ready to discuss this service?
Share your systems and constraints. You will get a scoped reply—not a pressure pitch.