Purge a stale asset from imgix's cache after replacing the source file, using the imgix Management API
domain: docs.imgix.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Authenticate to the imgix Management API using a Bearer token API key from the dashboard
POST to the purges endpoint with a JSON:API-style body (`Content-Type: application/vnd.api+json`) containing the full imgix-rendered URL to purge under `data.attributes.url`
Confirm a 200 response indicating the purge was accepted
If purging both a base asset and any sub-images used as marks/blends, issue separate purge requests for each affected URL
Avoid re-issuing a purge for the same URL within about 10 seconds of the prior request
Known gotchas
Purging a URL only invalidates cached renditions at that exact URL/parameter combination — other parameter variants of the same source image are cached separately and need their own purge if also stale
Duplicate purge requests for the same URL sent less than ~10 seconds apart can return a 409, though the original purge still completes successfully
Purging does not re-fetch the new source file proactively; the next request to that URL is what triggers imgix to pull the updated origin asset
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