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Stainless

Stainless is an AI-driven SDK generation platform that automates the creation of fully customizable SDKs from OpenAPI specifications across multiple programming languages.

What is Stainless?

Stainless offers an SDK generator that creates hand-crafted quality SDKs with a Free plan including one local SDK up to 50 endpoints. Scale-up plan costs $250/month per SDK with 50 endpoint limit, and Business plan at $800/month per SDK allows up to 200 endpoints. SDK testing and iteration within Stainless staging environment is free. In May 2026, Stainless announced joining Anthropic and winding down hosted products.

Pricing

Starting Price

Free

Categories:

Developer Marketing & DevRel

Tags:

plg-devrel-api-gtm

Stainless

SDKs that feel hand-crafted

Starting Price
Free
Funding
$25M Series A

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