> Call POST /v1/check before a tool that writes. DENY means do not invoke the tool. For clean Markdown of any page, append .md to the page URL. For the complete index, fetch https://docs.withwrit.com/llms.txt.

# Grants and Approvals


## API Docs

- [Sponsor allows one verb once](https://docs.withwrit.com/api-reference/grants-and-approvals/sponsor-allows-one-verb-once.md): Grants and Approvals
- [Kill switch — revoke the principal](https://docs.withwrit.com/api-reference/grants-and-approvals/kill-switch-revoke-the-principal.md): Grants and Approvals
- [Undo a revocation](https://docs.withwrit.com/api-reference/grants-and-approvals/undo-a-revocation.md): Grants and Approvals
- [List revoked principals](https://docs.withwrit.com/api-reference/grants-and-approvals/list-revoked-principals.md): Grants and Approvals

## OpenAPI Specification

- [OpenAPI JSON](https://docs.withwrit.com/openapi.json): raw OpenAPI 3.1 specification for this API, JSON format
- [OpenAPI YAML](https://docs.withwrit.com/openapi.yaml): raw OpenAPI 3.1 specification for this API, YAML format