---
title: "Add Signature to CId"
method: POST
path: "/files/{network}/signature/{cid}"
tags: ["default"]
---

# Add Signature to CId

`POST /files/{network}/signature/{cid}`

`org:files:write`

## Path parameters

- `cid` string, required
- `network` 'public' | 'private', required

## Request body

- object
  - `signature` string — Signature for the target CID
  - `address` string — Wallet address that made the signature

## Response `200`

OK

- object
  - `data` object
    - `cid` string
    - `signature` string

---

[API](https://skmtc.net/pinata/apis/pinata-v3-api.md) · [All operations](https://skmtc.net/pinata/apis/pinata-v3-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pinata/pinata-v3-api/revisions/734684efd9c4/schema)