---
title: "Start async check if a company sells a specific product/service."
method: POST
path: "/nyne/company/checkseller"
tags: ["Nyne.ai"]
---

# Start async check if a company sells a specific product/service.

`POST /nyne/company/checkseller`

## Request

- Base URL: `https://api.orthogonal.com/mpp`
- URL: `https://api.orthogonal.com/mpp/nyne/company/checkseller`
- Auth: none declared
- TypeScript: <https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/nyne/company/checkseller/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `company_name` string, required: Company name to check
  - `product_service` string, required: Product or service to verify (e.g., SOC 2 automation)
  - `callback_url` string: HTTPS endpoint for automatic delivery

## Response `200`

Successful response

## Other responses

- `402`: Payment Required (x402 / MPP / np)

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/nyne/company/checkseller/post.md)

---

[API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [All operations](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/llms.txt) - [OpenAPI document](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/revisions/f3e9572f3f12?raw)