API Development and Third-Party Integrations

Connect your product to the tools your customers already use — fast and reliable.

Payment Integrations

Stripe, Paddle, and custom billing flows with webhook handling, invoice generation, and subscription management. Tested for edge cases — not just the happy path.

CRM and Marketing

HubSpot, Salesforce, SendGrid, and marketing automation connectors. Sync contacts, track events, and automate workflows without manual import/export.

Custom APIs

REST and GraphQL API design, documentation (OpenAPI/Swagger), rate limiting, authentication, and implementation. Built for developers who will consume your API.

Pricing

Transparent pricing for every stage.

Single

$2,000

One REST API, basic sync, 1 week.

  • REST or GraphQL integration
  • Error handling
  • Data mapping
  • Basic monitoring

Pair

$5,000

Two APIs, two-way sync, webhooks, error handling.

  • Everything in Single
  • Two-way data sync
  • Webhook handling
  • Retry logic
  • Integration tests

Multi

$10,000

3-5 APIs, data transformation, monitoring.

  • Everything in Pair
  • Data transformation pipeline
  • Rate limiting
  • Monitoring dashboards
  • Runbook documentation

Complex

$25,000+

Custom middleware, real-time streaming, SLA.

  • Everything in Multi
  • Custom middleware
  • Real-time streaming (WebSocket/SSE)
  • SLA with alerting
  • Load testing

Connect Your Stack

Tell us what you need to integrate and we will give you a fixed-price quote.