List Vendor Credit FIFO Layer Usages
GET/api/vendor-credits/:vendor_credit/fifo-layer-usages
Read-only audit trail of the FIFO cost layers consumed or referenced when the vendor credit was authorized. Each usage records the credited quantity, the unit cost taken from the layer, whether the layer's available quantity was actually decremented, and details of the layer, product, and credit line involved.
accounting:readGrant this scope to your token under Settings → Developer → Personal Access Tokens.
decremented_layer is true only when the goods physically left the layer (a return). vendor_credit_line.cost_impact says what the line did: return_goods, write_off_goods, reduce_cost or financial_only. For a reduce_cost line the layer was re-costed without moving: unit_cost is the cost snapshotted when the credit was authorized and adjusted_unit_cost is what the layer costs now; it is null for every other behaviour.
Request
Responses
- 200
- 401
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- 404
- 429
OK
Response Headers
Unauthenticated — the bearer token is missing, revoked, expired, or malformed. Never retry automatically; fix the credential. See the Errors guide.
Forbidden — the token lacks a required scope, the endpoint is not available to API tokens, or the user behind the token lacks the permission. A human must adjust the token scopes or user permissions; do not retry.
Not found — no record with the given identifier (or the route does not exist). Verify the ID before retrying.
Rate limited — platform limit is 1,000 requests/min; individual tokens may carry lower limits. Honor the Retry-After header before retrying. See the Rate Limits guide.