Can I please have an API key for free? Troy Hunt 28 March 2023 09:17 Updated No. A key is priced from only $3.50 to ensure it doesn't provide a barrier to any legitimate use cases. Related articles Can I pay for an API by a means other than credit card? We have some formal documentation we'd like you to complete before purchasing an API key, can you do this? Is it possible to search an entire domain with my API key? How do I cancel an API key subscription? How can I retrieve my API Key?