---
title: "Resend signing OTP SMS"
method: POST
path: "/signature_link/resend_otp"
tags: ["Document AI — E-Signatures"]
---

# Resend signing OTP SMS

`POST /signature_link/resend_otp`

## Request

- Base URL: `https://api.paperoffice.ai/latest`
- URL: `https://api.paperoffice.ai/latest/signature_link/resend_otp`
- Auth: HTTP bearer

Signer-facing public endpoint. Sends or resends the SMS one-time password for a signing-link session.

## Request body

- object
  - `token` string, required: Signing token from the signing URL query (?token=). Raw string; MCP URL-encodes it. Example: {"token":"<from signing URL>"}

## Response `200`

Success

- object
  - `success` boolean
  - `method` string
  - `target` string
  - `expires_at` string
  - `code` string
  - `error` string

## Other responses

- `4XX`: Error
- `5XX`: Error

---

[API](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api.md) · [All operations](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/paperoffice/apis/paperoffice-ai-api/revisions/c6a6228a4509?raw)