Frequently asked questions

Why am I getting error code 429?

You've hit your rate limit! Contact us in your support channel if you require a higher rate limit.Learn how to handle rate limits.Have you had a chance to answer the previous question?

What do all the other error codes mean?

Along with the standard Ethereum JSON-RPC error codes, the Alchemy API has its own set of custom error codes. Learn about all of our error codes.​