When a single user makes too many requests to Horizon in a one hour time frame, Horizon returns a rate_limit_exceeded
error. By default, Horizon allows 3600 requests per hour – an average of one request per second.
If you are encountering this error, please reduce your request speed. Here are some strategies for doing so:
- For collection endpoints, try specifying larger page sizes.
- Try streaming responses to watch for new data instead of pulling data every time.
- Cache immutable data, such as transaction details, locally
See the Rate Limiting Guide for more info.
Attributes
As with all errors Horizon returns, rate_limit_exceeded
follows the Problem Details for HTTP APIs draft specification guide and thus has the following attributes:
Attribute |
Type |
Description |
Type |
URL |
The identifier for the error. This is a URL that can be visited in the browser. |
Title |
String |
A short title describing the error. |
Status |
Number |
An HTTP status code that maps to the error. |
Detail |
String |
A more detailed description of the error. |
Instance |
String |
A token that uniquely identifies this request. Allows server administrators to correlate a client report with server log files. |
Examples
{
"type": "https://stellar.org/developers/horizon/reference/errors/rate-limit-exceeded",
"title": "Rate Limit Exceeded",
"status": 429,
"details": "...",
"instance": "d3465740-ec3a-4a0b-9d4a-c9ea734ce58a"
}
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