---
title: "Amend a signed policy binding"
method: POST
path: "/v1/me/policy-bindings/amend"
tags: ["policy-bindings"]
---

# Amend a signed policy binding

`POST /v1/me/policy-bindings/amend`

## Request

- Base URL: `https://api.lithtrix.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.lithtrix.ai/v1/me/policy-bindings/amend`
- Auth: none declared

Requires root ``ltx_*`` API key and passport signature over ``canonical_policy_binding_amend_bytes_v1``. Supersedes the prior active row.

## Headers

- `authorization` string, nullable

## Request body

- PolicyBindingAmendRequest
  - `binding_type` string
  - `params` object
  - `challenge_id` string, required
  - `passport_signature` string, required: RFC4648 base64 raw Ed25519 passport signature over canonical_policy_binding_amend_bytes_v1

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/lithtrix/apis/lithtrix-api.md) · [All operations](https://skmtc.dev/lithtrix/apis/lithtrix-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lithtrix/apis/lithtrix-api/revisions/be5de51bf4f8?raw)