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SDKs

Generate handwritten SDKs

Turn your OpenAPI spec into production-ready, idiomatic SDKs across multiple languages. Built for internal and external APIs alike, every SDK is type-safe, customizable, and ready to drop into your existing workflow.

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Automated SDKs your team will be proud of

Upload your OpenAPI spec and generate production-ready, type-safe SDKs in your team's preferred languages. Speakeasy's SDK Generator handles everything from OAuth 2.0 and custom logic to retries, pagination, and full documentation.

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Pain points

Great APIs deserve better SDKs

Manual work doesn't scale

Hand-building and maintaining SDKs is time-consuming and error-prone

Generic doesn't cut it

Default generators miss the details that make SDKs feel native

Poor DevEx kills trust

When SDKs fall short, developer trust and velocity take the hit

SDK Generation

APIs change fast. Your SDKs should too.

1

Spec in. SDK out.

Automatically create SDKs in languages like TypeScript, Python, Go, Java, C#, PHP, and more, directly from your OpenAPI specifications.

2

Customize without compromise

Use overlays and hooks to modify SDK functionality, structure, and behavior without altering the core generation process.

3

Ship with every commit

Incorporate SDK generation into your continuous integration and deployment workflows to ensure your SDKs are always up-to-date.

4

Publish with confidence

Easily publish your SDKs to popular package managers like npm, PyPI, Maven, and more, facilitating distribution and adoption.

Dev-friendly by default

Ship SDKs that come with docs, code samples, and intuitive interfaces. Give developers everything they need to get started faster and integrate with confidence.

Real stories, real success

Engineering teams, big and small, are using Speakeasy every day.

"We are very happy with Speakeasy's support... Internally, our developers find the SDK useful, it's actively used, and continues to generate valuable feedback. The Speakeasy team has been instrumental throughout our implementation journey."

Gaspard Blanchet

SOFTWARE ENGINEER @ MISTRAL AI

"We've been using Speakeasy to create Dub.co's TypeScript SDK and it's been an amazing experience so far."

Steven Tey

FOUNDER & CEO @ DUB

"Automating our SDK production with Speakeasy allows us to cost-effectively cover our customers' language requirements and ease their integration cost quite a bit."

Suresh Ramachandran

SR. DIRECTOR OF ENGINEERING @ APEX FINTECH SOLUTIONS

"Speakeasy has been a really good partner for us. We've been able to get support quickly when needed, and the platform has significantly streamlined our SDK generation process. It's allowed our internal teams to integrate with our services much faster, and our customers benefit from a smoother, more efficient onboarding experience."

Joseph Spurrier

SR. STAFF ENGINEER @ PROVE

Documentation

Built for scale, trusted by developers

Whether you're standardizing SDK delivery across services or improving onboarding for external devs, Speakeasy helps you generate high-quality SDKs that scale with your platform and earn developer trust.

API Product Teams

Deliver reliable, well-documented SDKs for every language you support.

Platform Engineers

Standardize SDK generation and versioning across services.

DevEx & Integration Leads

Improve usability, reduce friction, and drive adoption.

Organizations

Automate SDK delivery and simplify long-term maintenance.

SDKs that stay connected to your workflow

Speakeasy SDKs connect seamlessly to the rest of the platform. It fits into your pipeline, not the other way around.

From manual to maintainable

Speakeasy SDK Generation turns your OpenAPI spec into reliable, maintainable SDKs that scale with your team. No boilerplate. No manual upkeep.

Manual SDK creation and updates
Inconsistent SDK quality across languages
Time-consuming integration processes
Limited or outdated documentation

Ready to ship better SDKs?