Rate Limiting

In order to provide service stability, Aurora limits the number of requests a client can perform within a one hour window. By default this is set to 3600 requests per hour—an average of one request per second. Also, while streaming every update of the stream (what happens every time there’s a new ledger) is counted. Ex. if there were 12 new ledgers in a minute, 12 requests will be subtracted from the limit.

Response headers for rate limiting

Every response from Aurora sets advisory headers to inform clients of their standing with rate limiting system:

In addition, a Retry-After header will be set when the current client is being throttled.