Where can I get API for free?

Could you please clarify your question a bit further? Are you looking for a specific type of API that is related to cryptocurrency or finance? If so, there are many different options available depending on what data or functionality you're interested in accessing. Some providers may offer free APIs with limited features or usage quotas, while others may charge for more advanced features or higher usage levels. It's worth noting that free APIs may come with certain restrictions or limitations, such as rate limits or data caps. Additionally, it's important to ensure that the API provider has a good reputation and is trustworthy before using their services. If you could provide more specific information about what type of API you're looking for, I may be able to offer more targeted suggestions or recommendations.