API Development · Engineer
Payment, banking, logistics, identity, messaging, accounting and AI integrations — and the APIs your own products expose to the world.
- 01Payments & banking
- 02Identity verification
- 03Messaging
- 04Enterprise integrations
The problem
Integrations are where systems break.
Poorly built integrations fail silently, duplicate data and expose sensitive endpoints. Every new partner becomes another custom project.
- Brittle point-to-point integrations
- Undocumented, inconsistent APIs
- Exposed or unauthenticated endpoints
Our solution
Designed, documented, observable.
We design APIs contract-first, build resilient integrations with retries and monitoring, and document everything your partners need.
- Contract-first API design
- Resilient, idempotent integrations
- Monitoring and alerting on every connection
Capabilities
01
Payments & banking
Payment gateways, banking and wallet integrations.
02
Identity verification
KYC, document checks and authentication providers.
03
Messaging
SMS, WhatsApp and email delivered reliably at scale.
04
Enterprise integrations
CRM, accounting, ERP and AI APIs connected cleanly.
Process
- 1
Integration inventory
Every system, data flow and owner mapped.
- 2
Contract design
Schemas, versioning and error handling agreed.
- 3
Build & test
Automated contract and failure-mode testing.
- 4
Monitor & version
Observability and safe evolution over time.
Technology
- Node.js
- NestJS
- Python
- TypeScript
- PostgreSQL
- Redis
- LLM APIs
Security built in
- OAuth 2.0 and scoped API keys
- Rate limiting and strict input validation
- Dedicated API security testing
Relevant industries
Case studies
Published case studies will appear here once approved by clients. The entry below is a placeholder showing the format.
Related services
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Tell us what you’re trying to solve. We’ll help define the technology required to build it.