https://docs.kinde.com/manage-your-apis/about-api-keys/api-keys-quick-start/
Get started with API key management in Kinde - create, manage, and verify API keys for your own APIs
api keysquick startkindedocs
https://wpengineapi.com/quick-start
Learn how to authenticate and make your first request with WP Engine's Hosting Platform API.
quick starthosting platformapi
https://mailchimp.com/developer/marketing/guides/quick-start/
Use this guide to start using the Mailchimp Marketing API. Learn how to generate your API key, install the client library, and make your first API call.
api quick startmarketingguidemailchimpdeveloper
https://mailchimp.com/developer/transactional/guides/quick-start/
Use this guide to start using the Mailchimp Transactional API to send fast, personalized transactional emails. Learn how to make a Transactional API call.
api quick starttransactionalguidemailchimpdeveloper
https://benjamincrozat.com/gpt-5-api
GPT-5 is the biggest release from OpenAI for 2025. Let's see the model's capabilities and use it via the API.
api quick startguide