Third-party integrations that actually work reliably.
Integrations are the connective tissue of modern software. Stripe, Plaid, Twilio, Resend, Google APIs, Slack — each has its own authentication pattern, rate limits, and failure modes. Integration development is a specific skill.
Need to integrate with a third-party service — payment processors, communication APIs, data providers, or business tools
Third-party integrations fail in predictable ways:
No error handling: The integration assumes the third-party API always succeeds. When Stripe returns a rate limit error or Twilio returns a delivery failure, the application crashes or silently drops the operation.
No idempotency: A payment creation that fails mid-way is retried without idempotency keys, creating duplicate charges. Fix: Stripe idempotency keys on every charge creation.
No webhook verification: Receiving webhooks without verifying the signature accepts forged events from anyone. Fix: verify HMAC signatures on every incoming webhook.
Synchronous calls in wrong context: Long Stripe API calls in the user's request-response cycle. If Stripe is slow, the user waits. Fix: queue long integration calls as background jobs.
No sandbox testing: Testing against production APIs because the sandbox "isn't accurate enough." Stripe's test mode is comprehensive — use it.
Rate limit handling: Not implementing exponential backoff when hitting API rate limits. Fix: catch 429 responses, wait the specified retry-after period.
Third-party integration implemented with proper error handling, idempotency, webhook verification, and retry logic
API client setup
with authentication and base configuration
Error handling
for all API error types
Idempotency
for state-changing operations
Webhook endpoint
with signature verification
Retry logic
for transient failures
One honest number to start.
Fixed-scope, fixed-price. The number below is the starting point — final scope is built from your brief.
Third-party integration implemented with proper error handling, idempotency, webhook verification, and retry logic
Three steps, every time.
The same repeatable engagement on every project. No surprises, no mystery, no billable ambiguity.
Brief & discovery.
We send you questions, then get on a call. Output: a written scope with every step, feature, and integration listed.
Build & ship.
Fixed schedule, weekly reviews. No scope creep unless you change the scope — and if you do, we reprice it transparently.
Warranty & retainer.
30-day warranty on every launch. Most clients stay on a monthly retainer for ongoing features and maintenance.
Why Fixed-Price Matters Here
Integration scope is the API surface and the error handling requirements. Fixed-price per integration.
Questions, answered.
Stripe: test mode with test card numbers. Twilio: test credentials and test phone numbers. Resend: development mode (emails logged but not sent). Use ngrok or Cloudflare Tunnel to expose local webhooks for development testing.
Tell Ryel about your project.
Describe what you’re building and what outcome you need. You’ll have a written, fixed-price scope within the week.