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soundcloud-api-integration

Apps & Automation
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Integrates applications with the SoundCloud HTTP API using OAuth 2.1, OpenAPI, and developer docs. Use when building SoundCloud API clients, auth flows, uploads, playback, pagination, or debugging API errors.

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Source SKILL.md: https://github.com/soundcloud/api/blob/HEAD/.cursor/skills/soundcloud-api-integration/SKILL.md

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SoundCloud API integration

Authoritative sources

Use these; do not invent endpoints or headers:

ResourceURL
OpenAPI JSONhttps://developers.soundcloud.com/docs/api/explorer/api.json
API Explorerhttps://developers.soundcloud.com/docs/api/explorer/open-api
API Guidehttps://developers.soundcloud.com/docs/api/guide
Register apphttps://developers.soundcloud.com/docs/api/register-app
LLM contexthttps://developers.soundcloud.com/docs/llm-context
Building with AIhttps://developers.soundcloud.com/docs/building-with-ai

Core rules

  1. API base: https://api.soundcloud.com — token host: https://secure.soundcloud.com
  2. Auth: OAuth 2.1. Authorization Code flow requires PKCE. Do not use legacy api.soundcloud.com/oauth2/token.
  3. API requests: Authorization: OAuth <access_token> unless the OpenAPI operation specifies otherwise.
  4. Resource identifiers: Use URNs in path parameters (e.g. soundcloud:users:948745750, soundcloud:tracks:308946187). Numeric ids are deprecated.
  5. Tokens: Access tokens expire ~1 hour. Refresh tokens are single-use. Cache tokens; renew with refresh_token grant instead of repeated client_credentials exchanges.
  6. Client Credentials limits: 50 tokens / 12h per app, 30 / 1h per IP — cache and refresh.
  7. Pagination: Prefer linked_partitioning=true and follow next_href until absent.
  8. Playback: Use /tracks/{track_urn}/streams (not legacy /stream). Check access: playable, preview, blocked.
  9. Rate limits: Back off on 429 (including play-stream quota: 15k / 24h per client_id).
  10. Secrets: Never hardcode client_id, client_secret, or tokens — use env vars or a secrets manager.

Auth flow selection

FlowUse when
Authorization Code + PKCEUser-delegated access (/me, uploads, private content)
Client CredentialsPublic resources only (search, resolve, public playback)

Request template

curl -X GET "https://api.soundcloud.com/ENDPOINT" \
  -H "Authorization: OAuth ACCESS_TOKEN" \
  -H "accept: application/json; charset=utf-8"

Token exchange (Client Credentials)

curl -X POST "https://secure.soundcloud.com/oauth/token" \
  -H "accept: application/json; charset=utf-8" \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -H "Authorization: Basic BASE64_CLIENT_ID_SECRET" \
  --data-urlencode "grant_type=client_credentials"

Error handling

  • 401 — missing or invalid token
  • 429 — rate limited; exponential backoff
  • Consult OpenAPI for per-endpoint requirements

Additional resources