# Inventory

## List inventory

> Returns current stock levels for all pets in the store.

```json
{"openapi":"3.0.3","info":{"title":"GitBook Petstore API","version":"1.0.0"},"tags":[{"name":"inventory"}],"servers":[{"url":"https://petstore.example.com/v1","description":"Production"},{"url":"https://staging.petstore.example.com/v1","description":"Staging"}],"security":[{"bearerAuth":[]}],"components":{"securitySchemes":{"bearerAuth":{"type":"http","scheme":"bearer","description":"Pass your API key as a Bearer token in the `Authorization` header."}},"schemas":{"InventoryItem":{"type":"object","required":["petId","quantity","status"],"properties":{"petId":{"type":"integer","format":"int64","description":"The ID of the animal this entry tracks."},"quantity":{"type":"integer","description":"Current stock count."},"status":{"$ref":"#/components/schemas/PetStatus"}}},"PetStatus":{"type":"string","enum":["available","pending","sold"]},"Error":{"type":"object","required":["code","message","status"],"properties":{"code":{"type":"string","description":"A machine-readable error code."},"message":{"type":"string","description":"A human-readable description of the error."},"status":{"type":"integer","description":"The HTTP status code."}}}},"responses":{"Unauthorized":{"description":"Missing or invalid API key.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}},"paths":{"/inventory":{"get":{"summary":"List inventory","description":"Returns current stock levels for all pets in the store.","tags":["inventory"],"operationId":"listInventory","responses":{"200":{"description":"An array of inventory entries.","content":{"application/json":{"schema":{"type":"array","items":{"$ref":"#/components/schemas/InventoryItem"}}}}},"401":{"$ref":"#/components/responses/Unauthorized"}}}}}}
```

## Update stock level

> Updates the stock quantity for a specific pet. Use this to record new arrivals, returns, or manual adjustments.\
> \
> {% hint style="warning" %}\
> This endpoint is \*\*experimental\*\* — the request shape may change before it reaches stable.\
> {% endhint %}<br>

```json
{"openapi":"3.0.3","info":{"title":"GitBook Petstore API","version":"1.0.0"},"tags":[{"name":"inventory"}],"servers":[{"url":"https://petstore.example.com/v1","description":"Production"},{"url":"https://staging.petstore.example.com/v1","description":"Staging"}],"security":[{"bearerAuth":[]}],"components":{"securitySchemes":{"bearerAuth":{"type":"http","scheme":"bearer","description":"Pass your API key as a Bearer token in the `Authorization` header."}},"schemas":{"InventoryUpdate":{"type":"object","required":["quantity"],"properties":{"quantity":{"type":"integer","description":"The new stock count."}}},"InventoryItem":{"type":"object","required":["petId","quantity","status"],"properties":{"petId":{"type":"integer","format":"int64","description":"The ID of the animal this entry tracks."},"quantity":{"type":"integer","description":"Current stock count."},"status":{"$ref":"#/components/schemas/PetStatus"}}},"PetStatus":{"type":"string","enum":["available","pending","sold"]},"Error":{"type":"object","required":["code","message","status"],"properties":{"code":{"type":"string","description":"A machine-readable error code."},"message":{"type":"string","description":"A human-readable description of the error."},"status":{"type":"integer","description":"The HTTP status code."}}}},"responses":{"BadRequest":{"description":"The request body is missing required fields or contains invalid values.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"Unauthorized":{"description":"Missing or invalid API key.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"NotFound":{"description":"The requested resource could not be found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}},"paths":{"/inventory/{petId}":{"patch":{"summary":"Update stock level","description":"Updates the stock quantity for a specific pet. Use this to record new arrivals, returns, or manual adjustments.\n\n{% hint style=\"warning\" %}\nThis endpoint is **experimental** — the request shape may change before it reaches stable.\n{% endhint %}\n","tags":["inventory"],"operationId":"updateInventory","parameters":[{"name":"petId","in":"path","required":true,"description":"The ID of the pet to update stock for.","schema":{"type":"integer","format":"int64"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/InventoryUpdate"}}}},"responses":{"200":{"description":"Updated inventory entry.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/InventoryItem"}}}},"400":{"$ref":"#/components/responses/BadRequest"},"401":{"$ref":"#/components/responses/Unauthorized"},"404":{"$ref":"#/components/responses/NotFound"}}}}}}
```


---

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