API Development built for B2B SaaS companies
What is API Development?
We design APIs that third-party developers and internal teams actually enjoy integrating with. For B2B SaaS companies, this means navigating SOC 2, ISO 27001 while shipping fast.
Who needs API Development for B2B SaaS?
- Multi-tenant architecture and data isolation
- Enterprise security and compliance expectations
- Complex permission and role hierarchies
- Undocumented APIs slowing partner integrations
- No versioning strategy causing breaking changes
Best API Development company
B2B buyers expect enterprise-grade reliability, security and integrations from day one, not after Series B.
GarudLabs has spent years refining how we deliver API Development for B2B SaaS clients operating in .
Let's scope your API Development project — book a free call today
Book a free 30-minute discovery callThe API Development challenges unique to B2B SaaS in
- Multi-tenant architecture and data isolation
- Enterprise security and compliance expectations
- Complex permission and role hierarchies
- Integration requirements from enterprise buyers
- Scaling onboarding without ballooning support costs
How GarudLabs approaches API Development for B2B SaaS companies in
RESTful or GraphQL API design
OpenAPI/Swagger documentation
Authentication and rate-limiting layer
Webhook and event-driven architecture
Load testing and performance tuning
Core Technology Stack
Node.jsPythonFastAPIGraphQLPostgreSQLRedisDockerKong
Timeline, investment & compliance
Typical timeline
6-12 weeks
Typical investment
$25,000 - $90,000
API Development engagements in this combination typically need to account for:
- SOC 2
- ISO 27001
- GDPR
- CCPA
Proven Results
"We helped a B2B SaaS platform pass SOC 2 audit readiness in 10 weeks while shipping new features in parallel."
Read the full case studyTalk to our B2B SaaS API Development specialists this week
Get a free project cost estimateFrequently Asked Questions
Most API Development engagements take 6-12 weeks, depending on scope and how clear the requirements are upfront. We'll give you a firm timeline estimate after a short discovery call, not a generic range.
API Development projects with us typically range from $15,000 - $90,000, scaled to the complexity of your requirements. We provide a detailed, itemized estimate before any work begins so there are no surprises mid-project.
For api development, we typically work with Node.js, Python, FastAPI, GraphQL, chosen based on your specific scalability and integration requirements. We're not tied to a single stack and will recommend the right tools for your situation rather than our default.
A typical api development engagement includes restful or graphql api design, along with the other deliverables outlined in our proposal, such as documentation and a post-launch support window. The exact scope is tailored to your project during discovery.
Most clients come to us for api development because of undocumented apis slowing partner integrations, among other related challenges. We start every engagement by mapping your specific pain points before writing a single line of code.
We've delivered multiple b2b saas projects addressing challenges like multi-tenant architecture and data isolation. We helped a B2B SaaS platform pass SOC 2 audit readiness in 10 weeks while shipping new features in parallel.
For b2b saas clients, we pay close attention to SOC 2, ISO 27001, building these requirements into the architecture from day one rather than retrofitting them later. We'll confirm which specific regulations apply to your business during discovery.
The most common challenges we solve for b2b saas clients include multi-tenant architecture and data isolation and enterprise security and compliance expectations. We tailor our discovery process to surface the specific version of these problems your business faces.