---
title: "buy projects"
method: POST
path: "/sample/v1/projects/{extProjectId}/buy"
tags: ["projects"]
---

# buy projects

`POST /sample/v1/projects/{extProjectId}/buy`

## Path parameters

- `extProjectId` string, required

## Request body

- BuyProjectItem[]
  - `extLineItemId` string, required — A unique identifier for your Line Item
  - `surveyTestURL` string, required — Survey Test URL. Required for survey verification
  - `surveyTestURLParams` URLParam[] — SurveyTestURL Params of the line item.
    - `key` string, required — key of the URL
    - `values` string[], required — values for the URL key
  - `surveyTestingNotes` string — Survey testing notes
  - `surveyURL` string, required — Survey URL to send panelist into
  - `surveyURLParams` URLParam[] — SurveyURL Params of the line item.
    - `key` string, required — key of the URL
    - `values` string[], required — values for the URL key

## Response `200`

OK

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `500` — Internal Server Error

---

[API](https://skmtc.dev/dynata/apis/sample-api.md) · [All operations](https://skmtc.dev/dynata/apis/sample-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/dynata/sample-api/revisions/b3b54de87dfc/schema)