---
title: "Spend a pass: anchor a feed row id in the next signed Merkle batch"
method: POST
path: "/api/messages/v2/plus/anchor"
tags: ["messaging", "plus"]
---

# Spend a pass: anchor a feed row id in the next signed Merkle batch

`POST /api/messages/v2/plus/anchor`

## Request

- Base URL: `https://api.anygas.xyz/svc`
- URL: `https://api.anygas.xyz/svc/api/messages/v2/plus/anchor`
- Auth: none declared

## Request body

- object
  - `pass` object, required: optional Plus pass {preparedMsg, sig} (base64) — rate-limit exempt, unlinkable
    - `preparedMsg` string
    - `sig` string
  - `id` string, required

## Response `200`

queued

## Other responses

- `402`: pass required

---

[API](https://skmtc.dev/anygas/apis/robyn-anygas-api.md) · [All operations](https://skmtc.dev/anygas/apis/robyn-anygas-api/llms.txt) · [OpenAPI document](https://skmtc.dev/anygas/apis/robyn-anygas-api/revisions/9b7498be8304?raw)