START HERE. Returns a high-level map of the Toss Securities Open API: title, version, base server URL, the authentication model, and every category (tag group). Call this first to orient yourself, then drill down with list_endpoints, get_endpoint, or get_integration_guide.

Lists every API category (OpenAPI tag) with its display group, endpoint count, and description. Use the category name as the category argument of list_endpoints.

Lists endpoints as METHOD path (operationId) — summary. Pass category (an exact tag name from list_categories) to filter. Returns all endpoints when no filter is given. Use the operationId with get_endpoint for full detail.

Keyword search across operationId, path, summary, description and tags. Returns the best-matching endpoints ranked by relevance. Use this when you don't know the exact category or operationId. Example queries: 'place order', 'current price', 'holdings', 'exchange rate'.

Returns full detail for ONE endpoint: summary, description, auth requirement, parameters, request body schema, and response schemas with examples. Identify the endpoint either by operationId (preferred) or by both method and path.

Lists the data model (schema) names defined by the API. Pass query to filter by substring. Use a name with get_schema to see its fields.

Returns the field tree of one data model: field names, types, required flags (marked with *) and descriptions. Nested objects and arrays are expanded; recursive refs are shown as → Name. Find names with list_schemas.

Returns a task-oriented walkthrough for a common use case: the concepts involved plus the recommended, ordered sequence of real endpoints to call. Prefer this over reading endpoints one by one when you want to accomplish an end-to-end task.

Generates a ready-to-adapt request snippet for one endpoint, with the right URL, headers (auth / account), path/query placeholders and request-body example pre-filled. Choose the language; defaults to curl.