dyvertexpayments
A payment succeeded with the provider but was never recorded in your system.
Integrations
Integrations that hold when the other side goes down.
Payments, CRMs, ERPs, internal APIs. Every integration gets retries, idempotency and a written answer to what happens when the other side starts returning errors.
- commit
- CI
- migration
- deploy
- production
- real load
An integration proves itself on the day the other side has an outage.
Common situations
If none of these match your situation, a free consultation is the fastest way to assess your app.
sync
Two systems hold conflicting data about the same customer.
webhooks
A webhook arrives twice and the second one creates a duplicate record.
docs
The API does not behave the way its documentation says it does.
What we build
Scope and price are agreed before any code is written. If something outside the scope becomes a priority, we agree the change openly rather than adding charges later.
- Contract first
- We verify what the external API actually returns, including undocumented cases, against its sandbox before building anything on top of it.
- Reliability
- Retries with backoff, idempotency keys and a dead-letter queue, so a failed call can be recovered before a customer notices it.
- Webhooks
- Signature verification, replay protection and handlers that are safe to run twice, because providers eventually deliver the same webhook more than once.
- Sync and reconciliation
- A written decision on which system is the source of truth. A reconciliation job that detects drift across systems is a larger piece of work and is scoped separately after the audit.
- Tests
- Tests against the provider's sandbox, replays of recorded webhook fixtures including duplicate and out-of-order deliveries, and a failure-injection run. We use AI to list the ways the external system can fail, which is a longer list than its documentation covers, and we test the retry path against each case before customers encounter it.
- Observability
- Every call logged with a correlation ID, and alerts based on the failure rate rather than on individual errors that go unread.
- Sandbox to production
- Credential management, separate environments and a rollout that never uses live customer payments for testing.
StripeRESTGraphQLWebhooksOAuthPostgresRedisHonoNestJSSentry
Price
One price, agreed before work starts.
One integration against a documented API fits this scope. A multi-system sync with reconciliation gets scoped on the call.
Our own products are already in use: Mira on the iOS App Store and ariex.fit in public beta. Client case studies are not yet published, and we do not claim that any exist under NDA.
Integrations
Audit & Fix
Payments, CRMs and external APIs, resilient to third-party outages.
Book a free consultationFrequently asked questions
If your question is not answered here, ask it during a free consultation.
Can you integrate an API we cannot share publicly?
Yes. We sign an NDA before you share credentials or documentation, and we work in your sandbox account rather than ours.
What if the provider's API is poorly documented?
That is the normal case. We test the sandbox and write down what it actually does, including the responses the official docs leave out. That written contract is part of what you get.
Who is responsible when the provider's API is down?
The provider is, and your users still feel it. So the integration degrades instead of breaking: it queues the call, retries it, tells the user the truth about where their request is, and reconciles once the other system is back.
Do you handle payment integrations?
Yes, usually Stripe. Payments get the strictest treatment, because a lost webhook is lost revenue: idempotency keys, signature verification, replay protection and reconciliation against the provider's own records rather than trust in one callback.
Can you fix an integration built by another team?
Yes. It starts with the audit and the fix list lands within two working days. Integrations rarely fail in the main flow. They fail in retries and duplicate handling, where nothing is visible from the outside.
Related services
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