> ## Documentation Index > Fetch the complete documentation index at: https://docs.bullionwale.com/llms.txt > Use this file to discover all available pages before exploring further. # Trading limits (test) > **Available on request.** Ask the Bullionwale desk to turn on API access for your account and issue a test key. Test orders are simulated; nothing is booked. Your real weight allocation per metal, with `used`, `free` and `reserved` measured on your TEST book (your test orders and test limit orders): `free` is the room a test order has. Gold in grams, silver in kilograms. ## OpenAPI ````yaml /openapi.json get /api/trading/test/v1/limits openapi: 3.1.0 info: description: >- Place and read bullion orders with an API key. The test environment (`/api/trading/test/v1`) simulates orders; the production environment (`/api/trading/v1`) books real orders. **Test: available on request. Production: switched off.** See the availability notice in the documentation. title: Bullionwale API version: 1.0.0 servers: - description: Once the API is available url: https://api.bullionwale.com security: [] tags: - description: >- The account and API key behind a request, the key's scopes, and whether production trading is available to the account. name: Account - description: >- Your live Buy and Sell rates per symbol, with freshness and trading flags. The same prices on test and production. name: Market data - description: >- The symbols you can trade: metal, price and quantity units, the sizes you may order and which sides are offered. name: Symbols - description: >- Whether trading is halted, which symbols are frozen, the market clock and your rates at the latest official close. name: Market status - description: >- Your weight allocation per metal and how much of it your open position uses. name: Trading limits - description: >- Realized profit and loss from your closed orders, in total, per symbol and per day. name: Profit & loss - description: >- Place market orders, list them and read one. Test orders are simulated; production orders are real. name: Orders - description: >- Place a buy or sell limit that waits for a price, list your limits, read, edit and cancel one. Test limits are simulated and never execute; production limits are real. name: Limit orders - description: Your net position per metal against your weight allocation. name: Positions - description: Your physical-delivery requests and their status. name: Deliveries - description: >- Your API keys in the calling environment: ids, names, scopes, state. Never a secret. name: API keys - description: >- Register HTTPS endpoints that receive signed order and limit-order events, test them and rotate their signing secret. Not yet available. name: Webhooks paths: /api/trading/test/v1/limits: get: tags: - Trading limits summary: Trading limits (test) description: >- **Available on request.** Ask the Bullionwale desk to turn on API access for your account and issue a test key. Test orders are simulated; nothing is booked. Your real weight allocation per metal, with `used`, `free` and `reserved` measured on your TEST book (your test orders and test limit orders): `free` is the room a test order has. Gold in grams, silver in kilograms. operationId: limits_test_api_trading_test_v1_limits_get responses: '200': content: application/json: schema: $ref: '#/components/schemas/Limits' description: Successful Response '401': content: application/json: schema: $ref: '#/components/schemas/ApiError' description: >- `missing_credential`: No X-API-Key header. `malformed_credential`: The key is not shaped like an API key. `wrong_tenant`: The key belongs to a different broker. `wrong_environment`: A test key on the production API, or the reverse. `invalid_credential`: Unknown key or wrong secret. `credential_revoked`: The key was revoked. `credential_rotated`: The key was replaced and its overlap period ended. `credential_expired`: The key expired. '403': content: application/json: schema: $ref: '#/components/schemas/ApiError' description: |- `api_access_disabled`: API access is switched off for this account. `account_inactive`: The account is not active. `insufficient_scope`: The key lacks the scope this route needs. '422': content: application/json: schema: $ref: '#/components/schemas/ApiError' description: >- `invalid_request`: The request body or parameters are invalid; see `detail.errors`. '429': content: application/json: schema: $ref: '#/components/schemas/ApiError' description: >- `auth_throttled`: Too many failed authentications from this address; see Retry-After. `rate_limited`: This key (or, for orders, this account) exhausted its budget; see Retry-After. security: - ApiKeyAuth: [] components: schemas: Limits: properties: gold: $ref: '#/components/schemas/MetalLimit' silver: $ref: '#/components/schemas/MetalLimit' required: - gold - silver title: Limits type: object ApiError: description: Every refusal on the trading API. properties: detail: $ref: '#/components/schemas/ApiErrorDetail' required: - detail title: ApiError type: object MetalLimit: properties: free: description: '`limit` minus `used`, never below zero.' title: Free type: string limit: description: Your allocation, in `unit`, as a decimal string. title: Limit type: string reserved: description: >- What your resting limit orders would need if they all triggered. Shown for planning; it is not deducted from `free`. title: Reserved type: string unit: description: '`g` for gold, `kg` for silver.' title: Unit type: string used: description: Your open net position (buys minus sells), in `unit`. title: Used type: string required: - limit - used - free - reserved - unit title: MetalLimit type: object ApiErrorDetail: additionalProperties: true properties: code: description: Stable machine code; branch on this, not on `message`. title: Code type: string message: description: Human-readable text; may change. title: Message type: string required: - code - message title: ApiErrorDetail type: object securitySchemes: ApiKeyAuth: in: header name: X-API-Key type: apiKey ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.