---
title: "Create a signatory"
method: POST
path: "/companies/{company}/signatories"
---

# Create a signatory

`POST /companies/{company}/signatories`

## Request

- Base URL: `https://sandbox.checkhq.com`
- URL: `https://sandbox.checkhq.com/companies/{company}/signatories`
- Auth: API key in header `Authorization`
- TypeScript: <https://skmtc.dev/checkhq/apis/check-api/docs/companies/:company/signatories/post.ts> (a function with typed inputs; its response is checked against the schema)

Create a signatory for the company

## Path parameters

- `company` string, required

## Request body

- object
  - `first_name` string, required: The first name of the company's signatory
  - `middle_name` string: The middle name of the company's signatory
  - `last_name` string, required: The last name of the company's signatory
  - `title` string, required: The title representing the relationship of the signer to the company
  - `email` string, required: The email of the signer

## Response `200`

200

- object
  - `id` string
  - `company` string
  - `first_name` string
  - `middle_name` unknown
  - `last_name` string
  - `title` string
  - `email` string

## Other responses

- `400`: 400

## Changes

- **2026-11-03** `5a54f5eb888b`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/checkhq/apis/check-api/changes/companies/:company/signatories/post.md)

---

[API](https://skmtc.dev/checkhq/apis/check-api.md) - [All operations](https://skmtc.dev/checkhq/apis/check-api/llms.txt) - [OpenAPI document](https://skmtc.dev/checkhq/apis/check-api/revisions/5a54f5eb888b?raw)