Expert API Development Vendor for B2B PlatformsAPI Development
We design and build scalable REST, GraphQL, and gRPC APIs. You get a fixed price, a strict 12-week timeline, and full code ownership.
IRPR is an expert API development vendor that builds production-grade APIs using Node.js, Go, and Python with PostgreSQL, Redis, and Kafka. Every API we deliver includes automated testing, OpenAPI documentation, and a CI/CD pipeline on GitHub Actions.
Typical engagements run 8-12 weeks with a fixed price range of $80,000 to $250,000. Our APIs comply with HIPAA, PCI-DSS, SOC 2, and FERPA standards depending on your industry. We ship the source code to your repo on day one.
VP of Engineering at a Series B SaaS company needs a scalable billing API. CTO at a healthcare startup wants a HIPAA-compliant FHIR API. Product Owner at a logistics firm requires real-time tracking API with 500ms latency. These buyers hire IRPR for speed and compliance.
Types of software we ship.
REST API
Standard JSON over HTTP. Used for CRUD apps, mobile backends, and third-party integrations with Stripe or Plaid.
GraphQL API
Flexible query language for frontend-heavy apps. Reduces over-fetching and under-fetching. Built with Apollo and Hasura.
gRPC API
High-performance binary protocol for internal microservices. Uses Protocol Buffers. Supports streaming and 10x faster serialization.
Webhook API
Event-driven callback endpoints for real-time notifications. Integrates with Slack, GitHub, and Salesforce.
WebSocket API
Persistent connection for live data. Used for chat apps, live auctions, and real-time dashboards. Supports up to 100k concurrent connections.
Payment API
Secure tokenization and billing integration with Stripe, Braintree, and Adyen. PCI-DSS compliant out of the box.
Data API
Read-optimized endpoints for analytics, reporting, and ETL pipelines. Backed by PostgreSQL, ClickHouse, or Snowflake.
AI API
Wrapper endpoints for OpenAI, Anthropic, and custom ML models. Includes rate limiting, caching, and prompt guardrails.
We build for every business type.
Fintech
Healthcare
Ecommerce
SaaS
Logistics
Why You Need an Expert API Development Vendor
A poorly designed API creates months of rework and security liabilities. IRPR builds APIs that are secure, documented, and ready for production on day one.
IRPR has shipped over 200 products across 50 countries. Our APIs handle millions of requests per day for healthcare, fintech, and SaaS clients. Every endpoint is tested for load, security, and compliance.
We use OpenAPI 3.0 specs for every REST API and generate Postman collections automatically. Our GraphQL APIs include Apollo Studio tracing and query cost analysis. You get a dashboard showing request volume, error rates, and latency P95.
How IRPR Differs from Other API Vendors
Most API development shops hand you incomplete code and disappear. IRPR gives you a finished product with full documentation and a 12-month warranty.
Many vendors start coding without a spec. IRPR spends the first two weeks on architecture design, endpoint contracts, and schema validation. We write integration tests before we write business logic.
Our fixed price model means no hourly surprises. A typical REST API project costs $80,000-$120,000 and ships in 10 weeks. The Roadmap phase costs $5,000 and gives you a complete spec and a fixed project quote.
- No API contract before coding begins
- No security audit before launch
- No rate limiting or throttling
- No monitoring or alerting setup
- No API versioning strategy
- No ownership of the code (they own it)
- OpenAPI 3.0 spec signed off before coding
- OWASP Top 10 and penetration testing included
- Rate limiting with Redis, 100 req/sec per key
- Datadog or Grafana dashboards with P99 alerts
- Semantic versioning with deprecation headers
- Full source code in your GitHub repo from day 1
Our API Development Process in 4 Phases
Every project follows the same predictable path. You see progress every week. No black boxes, no delays.
Phase 1 (Idea) takes one week. We map your domain into entities, endpoints, and data flows. You get a clickable API blueprint in Stoplight.
Phase 2 (Roadmap) takes one week. We produce a fixed price document with every endpoint, every error code, and a 12-week calendar.
What Ships When You Hire an Expert API Development Vendor
Every API engagement includes these deliverables. Nothing is optional.
We ship the source code, test suite, and infrastructure configs to your GitHub repository on day one. You control the repo from the start.
Documentation is auto-generated from OpenAPI specs and deployed to a private SwaggerHub page. Your frontend team can start integrating by week 3.
- OpenAPI 3.0 specification (YAML/JSON)
- Postman collection with example requests
- Source code in your private GitHub repo
- CI/CD pipeline on GitHub Actions or CircleCI
- Unit tests (Jest, pytest, or Mocha) covering 90%+
- Integration tests with Postman or Supertest
- Docker Compose for local development
- Sentry error tracking
- Datadog or Grafana dashboard with P99 latency
- Deployment runbook with rollback procedure
What we ship in this practice.
HIPAA-Compliant FHIR API for Telemedicine
Built a FHIR R4 API for a telemedicine startup. The API ingested patient data from 3 EHR systems and returned search results in under 200ms. Reduced manual data entry by 12 hours per week. Stack: Node.js, HAPI FHIR, PostgreSQL, AWS.
Stripe Billing API for SaaS Platform
Developed a subscription billing API with Stripe Connect. Handled 50k recurring invoices per month with 99.99% uptime. The client could onboard new merchants in 5 minutes instead of 3 days. Stack: Go, Stripe API, Redis, Postgres.
Real-Time Tracking API for Logistics
Designed a WebSocket API that tracked 10,000 trucks in real time. Each update arrived in under 100ms. The client reduced missed delivery windows by 40%. Stack: Python, FastAPI, WebSocket, Kafka, timescaleDB.
PCI-Compliant Payment API for Fintech
Built a tokenization API that processed $15M in monthly transactions. All card data was tokenized with Vault before entering the database. The client passed PCI audit on the first attempt. Stack: Ruby on Rails, Stripe, Vault, Postgres.
GraphQL API for Ecommerce Frontend
Migrated a REST API to GraphQL for a mid-market ecommerce brand. Reduced page load time by 3 seconds. The frontend team reduced API calls from 12 to 2 per page. Stack: Apollo Server, React, PostgreSQL, Redis.
Data API for Real Estate Analytics
Created a read-only analytics API serving 500 concurrent data scientists. Queried 2B rows of property data with sub-500ms latency. Used materialized views and Redis caching. Stack: Python, ClickHouse, FastAPI, Redis.
Why teams hire us.
Fixed price from week 2
We charge $5,000 for the Roadmap phase (one week). After that, you get a fixed quote that does not change. No hourly billing, no scope creep invoices.
12-week delivery guarantee
Our average project takes 8-12 weeks from spec to production. We have shipped 200+ products on time. If we miss a milestone, you get a written plan and a discount.
HIPAA, PCI, SOC 2 compliance built in
We implement Auth0 for RBAC, encrypt data at rest with AES-256, and log all access to CloudTrail. Every API we build passes security audits. We have built 30+ HIPAA-compliant APIs.
Full code ownership
You own the entire codebase from day one. We push code to your GitHub, your AWS account, your Docker registry. There is no shared code or license fee.
Senior engineers only
Every team member has 10+ years of backend experience. We use Node.js, Go, Python, and Rust. No junior engineers. No outsourcing to third parties.
Production monitoring included
We set up Datadog dashboards, Sentry error tracking, and PagerDuty alerts for 3 months post-launch. You get a monthly report with uptime, errors, and performance trends.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.
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