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Info

HTTP 429 errors

HTTP 429: Too Many Requests

Info
You can submit a limited Nr of requests on the ECMWF Web-API service. The rate limit

Reason: The rate limit of the http requests  on the API service has been exceeded.

Current limit: 10 http requests/sec

Action: Please try again after 1 minute.

Code Block
WARNING: HTTP received 429
{
  "message": "API rate limit exceeded.",
  "type": "rate_limit_exceeded",
  "documentation_url": "https://software.ecmwf.int/wiki/display/WEBAPI/Troubleshooting#Troubleshooting-HTTP429:TooManyRequests"
}
Error contacting the WebAPI, retrying in 60 seconds ...

user_queued_limit_exceeded

Info

Reason: The Nr of queued requests per user on the API service has been exceeded

Current limit20 queued requests per user

Action: Please limit the Nr of your queued requests and try later

Code Block
{
    "code": 429,
    "error": "Too many queued requests (1). Max allowed queued requests per user is 0.",
    "type": "user_queued_limit_exceeded",
    "documentation_url": "https://software.ecmwf.int/wiki/display/WEBAPI/Troubleshooting#user_queued_limit_exceeded"
}
Error contacting the WebAPI, retrying in 60 seconds ...


system_queued_limit_exceeded

Info

Reason: The total Nr of queued requests in the API service has been exceeded. Presumably the API service is currently busy. Please accept our apologies for any inconvenience this may cause.

Current limit: 2000 requests in total

Action:  try  later

Code Block
WARNING: HTTP received 429
{
    "code": 429,
    "error": "Too many queued requests. Global limit for queued requests hit."},
    "type": "system_queued_limit_exceeded",
    "documentation_url": "https://software.ecmwf.int/wiki/display/WEBAPI/Troubleshooting#system_queued_limit_exceeded",
}
Error contacting the WebAPI, retrying in 60 seconds ...

HTTP Error 503

Info

Please check the ECMWF Service Status before reporting the problem

If the WEB-SERVICES status is green, it might be an Internal ECMWF server issue. Please report the problem

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