Fern

What it is

Start with OpenAPI. Generate SDKs in multiple languages and interactive API documentation.

What to verify before adopting

• Confirm current pricing, usage limits, supported regions, and contract terms on the official website.
• Test integrations, export paths, access controls, and failure recovery with low-risk data first.
• Review privacy, data retention, security, and compliance requirements for your market.
• Keep a migration or rollback plan before making the product part of a critical workflow.