> For the complete documentation index, see [llms.txt](https://howto.indexify.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://howto.indexify.finance/indexify-api-documentation/trading.md).

# Trading

## Trading and wallet operations

> Handles all trading actions (swap, balance inquiries, withdrawals, key export). The specific operation is selected via the \`action\` query parameter. All actions require authentication.<br>

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/txn.php":{"post":{"tags":["Trading"],"summary":"Trading and wallet operations","operationId":"tradingOperations","description":"Handles all trading actions (swap, balance inquiries, withdrawals, key export). The specific operation is selected via the `action` query parameter. All actions require authentication.\n","parameters":[{"name":"action","in":"query","required":true,"schema":{"type":"string","enum":["swap","rebalance","balance","usdc_balance","total_balance","address","withdraw_usdc","export_key"]},"description":"The trading action to perform."}],"requestBody":{"required":false,"content":{"application/json":{"schema":{"oneOf":[{"title":"SwapRequest","type":"object","required":["stack_id","amount","cue"],"properties":{"stack_id":{"type":"integer","description":"ID of the stack to trade."},"amount":{"type":"number","description":"For buys (cue=fromUSDC): USDC amount to spend. For sells (cue=toUSDC): percentage of holdings to sell (1-100).\n"},"cue":{"type":"string","enum":["fromUSDC","toUSDC"],"description":"Direction of the swap."}}},{"title":"RebalanceRequest","type":"object","required":["stack_id"],"properties":{"stack_id":{"type":"integer","description":"ID of the stack to rebalance holdings for."}}},{"title":"WithdrawUsdcRequest","type":"object","required":["address","amount","verification_code"],"properties":{"address":{"type":"string","description":"Destination wallet address."},"amount":{"type":"number","description":"USDC amount to withdraw."},"verification_code":{"type":"string","description":"SMS verification code."}}},{"title":"ExportKeyRequest","type":"object","required":["verification_code","has_acknowledged_risk"],"properties":{"verification_code":{"type":"string","description":"SMS verification code."},"has_acknowledged_risk":{"type":"boolean","enum":[true],"description":"Must be true to confirm risk acknowledgment."}}}]}}}},"responses":{"200":{"description":"Successful response. Shape depends on action.","content":{"application/json":{"schema":{"oneOf":[{"title":"SwapResponse","type":"object","properties":{"order_id":{"type":"string","description":"Unique identifier for the created order."}}},{"title":"RebalanceResponse","type":"object","properties":{"rebalance_id":{"type":"string","description":"Unique identifier for the rebalance operation."},"sell_order_id":{"type":"string","description":"Order ID for the sell phase."},"buy_order_id":{"type":"string","description":"Order ID for buy-only rebalance (when no sells needed)."},"status":{"type":"string","enum":["SELLING","BUYING"],"description":"Current rebalance phase."},"sells_count":{"type":"integer","description":"Number of sell swaps initiated."},"buys_count":{"type":"integer","description":"Number of buy swaps planned."},"total_portfolio_value_usdc":{"type":"number","description":"Total portfolio value in USDC at rebalance time."},"allocation_version":{"type":"integer","description":"Target allocation version number."}}},{"title":"BalanceResponse","type":"array","items":{"type":"object","properties":{"mint":{"type":"string","description":"Token mint address."},"amount":{"type":"number","description":"Token balance as a number."},"amountString":{"type":"string","description":"Token balance as a string."},"decimals":{"type":"integer","description":"Token decimal places."}}}},{"title":"UsdcBalanceResponse","type":"object","properties":{"balance":{"type":"number","description":"USDC balance."}}},{"title":"TotalBalanceResponse","type":"object","properties":{"total_balance":{"type":"string","description":"Total portfolio balance in USDC."}}},{"title":"AddressResponse","type":"object","properties":{"pubkey":{"type":"string","description":"Wallet public key."}}},{"title":"WithdrawUsdcResponse","type":"object","description":"Transaction details for the withdrawal."},{"title":"ExportKeyResponse","type":"object","properties":{"byte_array":{"type":"array","items":{"type":"integer"},"description":"Private key as byte array."},"base_58":{"type":"string","description":"Private key in Base58 encoding."}}}]}}}},"400":{"description":"Bad request (missing fields, invalid parameters, insufficient balance, etc.).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"Stack not found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"409":{"description":"Conflict (rebalance already in progress).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```

## Order management

> Provides order details, partial order handling, retry, sell-all, and retry chain lookups. All actions require authentication and an \`order\_id\` in the request body.<br>

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/orders.php":{"post":{"tags":["Trading"],"summary":"Order management","description":"Provides order details, partial order handling, retry, sell-all, and retry chain lookups. All actions require authentication and an `order_id` in the request body.\n","operationId":"manageOrder","parameters":[{"name":"action","in":"query","required":false,"schema":{"type":"string","enum":["details","status","partial_details","acknowledge","retry","sell_all","retry_chain"],"default":"details"},"description":"The order action to perform. Defaults to `details`."}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"oneOf":[{"title":"OrderIdRequest","type":"object","required":["order_id"],"properties":{"order_id":{"type":"string","description":"Unique order identifier."}}},{"title":"RetryRequest","type":"object","required":["order_id"],"properties":{"order_id":{"type":"string","description":"Unique order identifier."},"slippage":{"type":"integer","minimum":1,"maximum":51,"description":"Custom slippage tolerance for the retry (optional)."}}}]}}}},"responses":{"200":{"description":"Successful response. Shape depends on action.","content":{"application/json":{"schema":{"oneOf":[{"title":"OrderDetailsResponse","type":"object","properties":{"order":{"type":"object","properties":{"order_id":{"type":"string"},"status":{"type":"string","enum":["PENDING","SUCCESS","FAILED","PARTIAL"]},"type":{"type":"string","enum":["fromUSDC","toUSDC"]},"created_at":{"type":"string"},"partial_completion_action":{"type":"string","nullable":true}}},"transactions":{"type":"array","items":{"type":"object","properties":{"order_id":{"type":"string"},"success":{"type":"boolean"},"txn_hash":{"type":"string","nullable":true}}}},"transaction_count":{"type":"integer"}}},{"title":"PartialDetailsResponse","type":"object","properties":{"order_id":{"type":"string"},"order_info":{"type":"object","description":"Detailed order metadata."},"stack_info":{"type":"object","properties":{"id":{"type":"integer"},"stack_name":{"type":"string"},"slug":{"type":"string"}}},"successful_tokens":{"type":"array","items":{"type":"object"}},"failed_tokens":{"type":"array","items":{"type":"object"}},"summary":{"type":"object","properties":{"total_tokens_in_stack":{"type":"integer"},"successful_token_count":{"type":"integer"},"failed_token_count":{"type":"integer"},"success_rate":{"type":"number"}}},"available_actions":{"type":"object","properties":{"acknowledge":{"type":"boolean"},"retry":{"type":"boolean"},"sell_all":{"type":"boolean"}}}}},{"title":"AcknowledgeResponse","type":"object","properties":{"success":{"type":"boolean"},"message":{"type":"string"},"order_id":{"type":"string"}}},{"title":"RetryResponse","type":"object","properties":{"order_id":{"type":"string"},"stack_id":{"type":"integer"},"parent_order_id":{"type":"string"},"retry_attempt":{"type":"integer"},"failed_tokens_attempted":{"type":"integer"},"status":{"type":"string"}}},{"title":"SellAllResponse","type":"object","properties":{"order_id":{"type":"string"},"stack_id":{"type":"integer"}}},{"title":"RetryChainResponse","type":"object","properties":{"order_id":{"type":"string"},"retry_chain":{"type":"array","items":{"type":"object","properties":{"order_id":{"type":"string"},"parent_order_id":{"type":"string","nullable":true},"retry_attempt":{"type":"integer"},"status":{"type":"string","enum":["PENDING","SUCCESS","FAILED","PARTIAL"]},"type":{"type":"string","enum":["fromUSDC","toUSDC"]},"created_at":{"type":"string"},"partial_completion_action":{"type":"string","nullable":true}}}},"total_attempts":{"type":"integer"}}}]}}}},"400":{"description":"Bad request (missing order_id, invalid slippage, invalid action, etc.).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"Order not found or not owned by the authenticated user.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```

## List authenticated user's orders

> Returns a paginated list of all orders for the authenticated user.

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/user_orders.php":{"post":{"tags":["Trading"],"summary":"List authenticated user's orders","description":"Returns a paginated list of all orders for the authenticated user.","operationId":"listUserOrders","parameters":[{"name":"offset","in":"query","required":false,"schema":{"type":"integer","default":0,"minimum":0},"description":"Pagination offset."},{"name":"limit","in":"query","required":false,"schema":{"type":"integer","default":100,"minimum":1,"maximum":100},"description":"Number of orders to return."}],"responses":{"200":{"description":"Paginated list of user orders.","content":{"application/json":{"schema":{"type":"object","properties":{"orders":{"type":"array","items":{"type":"object","properties":{"order_id":{"type":"string"},"stack_id":{"type":"integer"},"type":{"type":"string","enum":["fromUSDC","toUSDC"]},"status":{"type":"string","enum":["PENDING","SUCCESS","FAILED","PARTIAL"]},"created_at":{"type":"string"},"parent_order_id":{"type":"string","nullable":true},"retry_attempt":{"type":"integer","nullable":true},"partial_completion_action":{"type":"string","nullable":true},"stack_name":{"type":"string","nullable":true},"stack_symbol":{"type":"string","nullable":true}}}},"pagination":{"type":"object","properties":{"offset":{"type":"integer"},"limit":{"type":"integer"},"total_count":{"type":"integer"},"has_more":{"type":"boolean"},"has_previous":{"type":"boolean"},"page":{"type":"integer"},"per_page":{"type":"integer"},"total_pages":{"type":"integer"}}}}}}}},"400":{"description":"Invalid pagination parameters.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```

## List outstanding partial orders for a stack

> Returns a paginated list of the authenticated user's outstanding partial orders (status=PARTIAL, partial\_completion\_action=pending) for a given stack.<br>

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/stack_partial_orders.php":{"post":{"tags":["Trading"],"summary":"List outstanding partial orders for a stack","description":"Returns a paginated list of the authenticated user's outstanding partial orders (status=PARTIAL, partial_completion_action=pending) for a given stack.\n","operationId":"listStackPartialOrders","parameters":[{"name":"stack_id","in":"query","required":true,"schema":{"type":"integer"},"description":"ID of the stack to query."},{"name":"offset","in":"query","required":false,"schema":{"type":"integer","default":0,"minimum":0},"description":"Pagination offset."},{"name":"limit","in":"query","required":false,"schema":{"type":"integer","default":100,"minimum":1,"maximum":100},"description":"Number of orders to return."}],"responses":{"200":{"description":"Paginated list of outstanding partial orders.","content":{"application/json":{"schema":{"type":"object","properties":{"stack":{"type":"object","properties":{"id":{"type":"integer"},"stack_name":{"type":"string"},"stack_token_name":{"type":"string"}}},"outstanding_partial_orders":{"type":"array","items":{"type":"object","properties":{"order_id":{"type":"string"},"user_id":{"type":"integer"},"stack_id":{"type":"integer"},"type":{"type":"string"},"status":{"type":"string"},"usdc_amount":{"type":"number"},"creator_fee":{"type":"number"},"platform_fee":{"type":"number"},"expected_amount":{"type":"number","nullable":true},"created_at":{"type":"string"},"parent_order_id":{"type":"string","nullable":true},"retry_attempt":{"type":"integer","nullable":true},"partial_completion_action":{"type":"string"},"username":{"type":"string","nullable":true}}}},"pagination":{"type":"object","properties":{"offset":{"type":"integer"},"limit":{"type":"integer"},"total_count":{"type":"integer"},"has_more":{"type":"boolean"},"has_previous":{"type":"boolean"},"page":{"type":"integer"},"per_page":{"type":"integer"},"total_pages":{"type":"integer"}}}}}}}},"400":{"description":"Missing or invalid stack_id, invalid pagination parameters.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"Stack not found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```

## Transaction history

> Retrieve the authenticated user's transaction history, a single transaction detail, or a transaction summary. The specific operation is selected via the \`action\` query parameter.<br>

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/transaction_history.php":{"get":{"tags":["Trading"],"summary":"Transaction history","description":"Retrieve the authenticated user's transaction history, a single transaction detail, or a transaction summary. The specific operation is selected via the `action` query parameter.\n","operationId":"getTransactionHistory","parameters":[{"name":"action","in":"query","required":false,"schema":{"type":"string","enum":["list","detail","summary"],"default":"list"},"description":"The history action to perform."},{"name":"offset","in":"query","required":false,"schema":{"type":"integer","default":0,"minimum":0},"description":"Pagination offset (action=list only)."},{"name":"limit","in":"query","required":false,"schema":{"type":"integer","default":20,"minimum":1,"maximum":100},"description":"Number of transactions to return (action=list only)."},{"name":"type","in":"query","required":false,"schema":{"type":"string","enum":["buy","sell","deposit","withdrawal"]},"description":"Filter by transaction type (action=list only)."},{"name":"status","in":"query","required":false,"schema":{"type":"string","enum":["PENDING","PROCESSING","SUCCESS","FAILED","PARTIAL"]},"description":"Filter by transaction status (action=list only)."},{"name":"stack_id","in":"query","required":false,"schema":{"type":"integer"},"description":"Filter by stack ID (action=list only). Cannot be combined with token_address."},{"name":"token_address","in":"query","required":false,"schema":{"type":"string"},"description":"Filter by token address (action=list only). Cannot be combined with stack_id."},{"name":"order_id","in":"query","required":false,"schema":{"type":"string"},"description":"Order ID to look up (action=detail only, required for detail)."}],"responses":{"200":{"description":"Successful response. Shape depends on action.","content":{"application/json":{"schema":{"oneOf":[{"title":"TransactionListResponse","type":"object","properties":{"transactions":{"type":"array","items":{"type":"object","properties":{"order_id":{"type":"string"},"stack_id":{"type":"integer","nullable":true},"transaction_type":{"type":"string","enum":["buy","sell","deposit","withdrawal"]},"status":{"type":"string","enum":["PENDING","PROCESSING","SUCCESS","FAILED","PARTIAL"]},"usdc_amount":{"type":"number"},"expected_amount":{"type":"number","nullable":true},"sell_percentage":{"type":"number","nullable":true},"slippage":{"type":"number","nullable":true},"creator_fee":{"type":"number","nullable":true},"platform_fee":{"type":"number","nullable":true},"created_at":{"type":"string"},"updated_at":{"type":"string","nullable":true},"parent_order_id":{"type":"string","nullable":true},"retry_attempt":{"type":"integer","nullable":true},"partial_completion_action":{"type":"string","nullable":true},"is_company_stack":{"type":"boolean"},"asset":{"type":"object","nullable":true,"properties":{"type":{"type":"string"},"name":{"type":"string"},"slug":{"type":"string","nullable":true},"symbol":{"type":"string","nullable":true},"address":{"type":"string","nullable":true},"image_url":{"type":"string","nullable":true},"archived":{"type":"boolean"}}},"tokens":{"type":"array","items":{"type":"object"}},"transaction_hash":{"type":"string","nullable":true},"from_wallet":{"type":"string","nullable":true,"description":"Present for deposits/withdrawals only."},"to_wallet":{"type":"string","nullable":true,"description":"Present for deposits/withdrawals only."},"block_slot":{"type":"integer","nullable":true,"description":"Present for deposits/withdrawals only."}}}},"pagination":{"type":"object","properties":{"offset":{"type":"integer"},"limit":{"type":"integer"},"total_count":{"type":"integer"},"has_more":{"type":"boolean"},"has_previous":{"type":"boolean"},"page":{"type":"integer"},"total_pages":{"type":"integer"}}}}},{"title":"TransactionDetailResponse","type":"object","properties":{"transaction":{"type":"object","description":"Same fields as list items, plus a `token_transactions` array with per-token breakdown.\n","properties":{"order_id":{"type":"string"},"token_transactions":{"type":"array","items":{"type":"object","properties":{"token_id":{"type":"integer"},"name":{"type":"string"},"symbol":{"type":"string"},"address":{"type":"string"},"image_url":{"type":"string","nullable":true},"amount":{"type":"number"},"usdc_paid":{"type":"number"},"decimals":{"type":"integer"},"archived":{"type":"boolean"}}}}}}}},{"title":"TransactionSummaryResponse","type":"object","properties":{"summary":{"type":"object","properties":{"total_transactions":{"type":"integer"},"total_buys":{"type":"integer"},"total_sells":{"type":"integer"},"total_deposits":{"type":"integer"},"total_withdrawals":{"type":"integer"},"successful_transactions":{"type":"integer"},"failed_transactions":{"type":"integer"},"pending_transactions":{"type":"integer"}}}}}]}}}},"400":{"description":"Bad request (invalid filters, missing order_id for detail, conflicting filters).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"Transaction not found (action=detail).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"405":{"description":"Method not allowed (only GET is accepted).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```

## Fee calculations and bounds

> Calculate trading fees, retrieve minimum buy amount, or get creator fee bounds. No authentication required.<br>

```json
{"openapi":"3.0.3","info":{"title":"Indexify API","version":"0.1.12-beta"},"servers":[{"url":"https://api.indexify.finance","description":"Production"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"X-API-KEY","description":"API key with the `ix_` prefix. You can generate an API Key by navigating to Settings -> API Key in the web app. Pass it in the `X-API-KEY` header on every request."}},"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}}}},"paths":{"/api/fee.php":{"post":{"tags":["Trading"],"summary":"Fee calculations and bounds","description":"Calculate trading fees, retrieve minimum buy amount, or get creator fee bounds. No authentication required.\n","operationId":"feeOperations","parameters":[{"name":"action","in":"query","required":true,"schema":{"type":"string","enum":["calculate","min_buy","creator_fee_bounds"]},"description":"The fee action to perform."}],"requestBody":{"required":false,"content":{"application/json":{"schema":{"oneOf":[{"title":"CalculateFeeRequest","type":"object","required":["amount","stack_id"],"properties":{"amount":{"type":"number","description":"USDC amount to calculate fees for."},"stack_id":{"type":"integer","description":"ID of the stack being traded."}}}]}}}},"responses":{"200":{"description":"Successful response. Shape depends on action.","content":{"application/json":{"schema":{"oneOf":[{"title":"CalculateFeeResponse","type":"object","properties":{"fee_display":{"type":"string","description":"Human-readable fee string (e.g. \"~$1.50 fee\")."},"estimated_blockchain_fees_saved":{"type":"string","description":"Estimated blockchain fees saved (e.g. \"$2.40\")."}}},{"title":"MinBuyResponse","type":"object","properties":{"min_buy":{"type":"number","description":"Minimum buy amount in micro-USDC."}}},{"title":"CreatorFeeBoundsResponse","type":"object","properties":{"min":{"type":"number","description":"Minimum creator fee percentage."},"max":{"type":"number","description":"Maximum creator fee percentage."},"default":{"type":"number","description":"Default creator fee percentage."}}}]}}}},"400":{"description":"Bad request (missing amount, invalid stack ID, amount below minimum).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}}}
```


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://howto.indexify.finance/indexify-api-documentation/trading.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
