> For the complete documentation index, see [llms.txt](https://docs.wproofreader.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wproofreader.com/v6.12.0/api-reference.md).

# API reference

- [Overview](https://docs.wproofreader.com/v6.12.0/api-reference/overview.md): Endpoints, request format, and parameters common to all HTTP API commands.
- [HTTP response status codes](https://docs.wproofreader.com/v6.12.0/api-reference/http-response-status-codes.md)
- [Check API](https://docs.wproofreader.com/v6.12.0/api-reference/check-api.md)
- [Spelling autocorrect API](https://docs.wproofreader.com/v6.12.0/api-reference/spelling-autocorrect-api.md)
- [Text autocomplete API](https://docs.wproofreader.com/v6.12.0/api-reference/text-autocomplete-api.md)
- [Custom dictionary API](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api.md): Manage shared, organization-owned spellcheck dictionaries.
- [Overview](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/overview.md): What Custom Dictionary is, when to use it, and core concepts.
- [Getting started](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/getting-started.md): Create a dictionary, add words, and verify the result.
- [Actions](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions.md): One page per action for the Custom Dictionary API.
- [Create dictionary (create)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/create-dictionary-create.md): Create a new custom dictionary.
- [Delete dictionary (delete)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/delete-dictionary-delete.md): Permanently delete one or more dictionaries.
- [Add list of words (addwords)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/add-list-of-words-addwords.md): Add words to a dictionary, or overwrite its entire wordlist.
- [Remove words (deletewords)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/remove-words-deletewords.md): Remove words from a dictionary.
- [Get words from dictionary (getwords)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/get-words-from-dictionary-getwords.md): Fetch the full wordlist for a dictionary.
- [List dictionaries (getdicts)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/list-dictionaries-getdicts.md): List dictionaries or fetch metadata for specific IDs.
- [Edit dictionary metadata (edit)](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/actions/edit-dictionary-metadata-edit.md): Rename a dictionary or enable/disable it.
- [Parameters reference](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/parameters-reference.md): Full parameter list, validation rules, and which actions use each parameter.
- [Response format](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/response-format.md): Standard response structure and field meanings.
- [Errors reference](https://docs.wproofreader.com/v6.12.0/api-reference/custom-dictionary-api/errors-reference.md): Error messages, HTTP codes, and when they happen.
- [User custom dictionary API](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api.md): Overview of user custom dictionary API
- [Getting started](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/getting-started.md): Create a dictionary, add words, and verify it works.
- [Actions](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions.md)
- [Create dictionary (create)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/create-dictionary-create.md): Create a new user dictionary.
- [Delete dictionary (delete)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/delete-dictionary-delete.md): Permanently delete a user dictionary.
- [Rename dictionary (rename)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/rename-dictionary-rename.md): Rename an existing user dictionary.
- [Check dictionary (check)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/check-dictionary-check.md): Verify a dictionary exists and is accessible.
- [Add word(s) (addword, addwords)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/add-word-s-addword-addwords.md): Add one word or a wordlist to a user dictionary.
- [Delete word(s) (deleteword, deletewords)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/delete-word-s-deleteword-deletewords.md): Remove one word or a wordlist from a user dictionary.
- [Edit word (editword)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/edit-word-editword.md): Replace an existing word with a new value.
- [Get dictionary content (getdict)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/get-dictionary-content-getdict.md): Return all words in a user dictionary.
- [Replace dictionary content (setdict)](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/actions/replace-dictionary-content-setdict.md): Replace the entire wordlist in a dictionary.
- [Parameters reference](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/parameters-reference.md): Complete parameter list, validation rules, and where each parameter is used.
- [Response format](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/response-format.md): Success envelope and field semantics for user dictionary actions.
- [Errors reference](https://docs.wproofreader.com/v6.12.0/api-reference/user-custom-dictionary-api/errors-reference.md): Error messages, HTTP statuses, and common failure causes.
- [Detect language API](https://docs.wproofreader.com/v6.12.0/api-reference/detect-language-api.md)
- [Auxiliary API commands](https://docs.wproofreader.com/v6.12.0/api-reference/auxiliary-api-commands.md)
- [Get info API](https://docs.wproofreader.com/v6.12.0/api-reference/auxiliary-api-commands/get-info-api.md)
- [Status API](https://docs.wproofreader.com/v6.12.0/api-reference/auxiliary-api-commands/status-api.md)
- [Version API](https://docs.wproofreader.com/v6.12.0/api-reference/auxiliary-api-commands/version-api.md)
- [Health check](https://docs.wproofreader.com/v6.12.0/api-reference/auxiliary-api-commands/health-check.md)
- [Legacy API commands](https://docs.wproofreader.com/v6.12.0/api-reference/legacy-api-commands.md)
- [Check spelling API](https://docs.wproofreader.com/v6.12.0/api-reference/legacy-api-commands/check-spelling-api.md)
- [Grammar check API](https://docs.wproofreader.com/v6.12.0/api-reference/legacy-api-commands/grammar-check-api.md)
- [Style guide API](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api.md)
- [Actions](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions.md)
- [Add rule (addrule)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/add-rule-addrule.md): Create a new style guide rule.
- [Edit rule (editrule)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/edit-rule-editrule.md): Update an existing style guide rule.
- [Delete rule(s) (deleterule, deleterules)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/delete-rule-s-deleterule-deleterules.md): Delete one or multiple style guide rules.
- [Get rules (getrules)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/get-rules-getrules.md): List style guide rules, optionally filtered by rule ID.
- [Add collection (addcollection)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/add-collection-addcollection.md): Create a new style guide collection.
- [Delete collection (deletecollection)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/delete-collection-deletecollection.md): Create a new style guide collection.
- [Get collections (getcollections)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/get-collections-getcollections.md): Create a new style guide collection.
- [Edit collection (editcollections)](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/actions/edit-collection-editcollections.md): Create a new style guide collection.
- [Response schema](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/response-schema.md): Success envelope and rule object schema for the Style guide API.
- [Errors](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/errors.md): Error messages and HTTP statuses for Style guide API.
- [Validation & limits](https://docs.wproofreader.com/v6.12.0/api-reference/style-guide-api/validation-and-limits.md): Input validation rules and service limits for Style guide API.