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Repost endpoint returning HTTP 429

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
30/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Active
Domain
api

Research direction

Start by comparing the reported /repost/tracks requests with the related issue 584 and reproduce the 429 response using the Swagger API explorer, multiple OAuth tokens, and separate IP addresses. Check whether the endpoint's rate-limit headers and behavior differ from other endpoints; done means identifying the cause and confirming the expected response or required API-side fix.

Written by the indexing model from the issue text.

Description

As mentioned in https://github.com/soundcloud/api/issues/584:

We seem to be getting nothing but HTTP 429 on the /repost/tracks endpoint, while other endpoints from the same machine(s) work perfectly fine. That endpoint also doesn't return any information about the rate limits in the response headers, while others return:

< x-ratelimit-limit: -1
< x-ratelimit-remaining: 0
< x-ratelimit-reset: 0

An example:

< HTTP/1.1 429 Too Many Requests
< Content-Type: application/json
< Content-Length: 38
< Connection: keep-alive
< Date: Sat, 26 Sep 2026 23:00:26 GMT
< server: istio-envoy
< vary: Origin
< x-generator: tyk.io
< x-tyk-trace-id: e6413ed89739db0e19ddd99ff0e55429
< x-envoy-upstream-service-time: 2
< X-Cache: Error from cloudfront
< Via: 1.1 08dc547306e2c7102196b53ce0859e80.cloudfront.net (CloudFront)
< X-Amz-Cf-Pop: FRA60-P11
< X-Amz-Cf-Id: PfWdzKD62C4OW1IeJJFLpzHI-6tJ1FPTbatn2vexuwe4VMtZa0u6aw==

Getting the same when sending from 2 separate IP addresses, with multiple different OAuth tokens (not sure which one rate limiting is tied to).
Also getting this when trying to send a request on the Swagger test page at: https://developers.soundcloud.com/docs/api/explorer/open-api#/reposts/post_reposts_tracks__track_urn_

Image

Sent the application's Client ID to @SoundCloudDev on X.

Dominant language
JavaScript
Stars
253
Forks
53
Avg merge
1m
Merged PRs (30d)
1

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