---
title: "Add suppliers to a supply chain"
method: POST
path: "/v1/supplychains/{supply_chain_id}/suppliers"
tags: ["Supplier Risk"]
---

# Add suppliers to a supply chain

`POST /v1/supplychains/{supply_chain_id}/suppliers`

## Request

- Base URL: `https://api.platform.censys.io`
- URL: `https://api.platform.censys.io/v1/supplychains/{supply_chain_id}/suppliers`
- Auth: HTTP bearer

Add suppliers to your supply chain. Use the [search suppliers endpoint](https://docs.censys.com/reference/v1-supply-chain-search-suppliers#/) to find the IDs of suppliers to add. Use `default` as the supply chain ID to target your organization's primary supply chain.<br><br>This endpoint does not cost credits to execute.

## Path parameters

- `supply_chain_id` string, required: The ID of a Censys supply chain, or the literal 'default' for your organization's primary supply chain. Obtain the supply chain ID using the [list supply chains endpoint](https://docs.censys.com/reference/v1-supply-chain-list-supply-chains#/) or from the Supplier Risk URL in the web console.

## Query parameters

- `organization_id` string, uuid, required: The ID of a Censys organization to associate the request with. See the [Getting Started docs](https://docs.censys.com/reference/get-started#step-3-find-and-use-your-organization-id-optional) for more information.

## Headers

- `X-Organization-ID` string, uuid: The ID of a Censys organization to associate the request with. See the [Getting Started docs](https://docs.censys.com/reference/get-started#step-3-find-and-use-your-organization-id-optional) for more information. Note: The header parameter is supported for atypical use cases; we recommend always providing this field via the query parameter.

## Request body

- SupplyChainAddSuppliersBody
  - `supplier_ids` string[], nullable, required: The IDs of the Censys suppliers to add to the supply chain, each as a unique UUID string. Use the Search suppliers endpoint to find supplier IDs.

## Response `201`

Suppliers added to the supply chain successfully

- ResponseEnvelopeSupplyChainAddSuppliersPayload
  - `result` SupplyChainAddSuppliersPayload
    - `added` string[], nullable, required: The IDs of the suppliers that were added to the supply chain.

## Other responses

- `400`: Bad request
- `401`: Request does not contain a valid Authorization token
- `403`: User does not have permission to access this data
- `404`: Supplier/supply chain not found
- `422`: Invalid Inputs
- `429`: A request or resource limit was reached
- `500`: Internal server error

## Changes

- **2026-11-03** `ec1686b0a36a`: 4 info
  - api tag `Supplier Risk` added
  - api tag `Supply Chain Intelligence` removed
  - for the `path` request parameter `supply_chain_id`, the format was generalized from `uuid` to no format
  - added the non-success response with the status `429`

[Operation history](https://skmtc.dev/censys/apis/censys-platform-api/changes/v1/supplychains/:supply_chain_id/suppliers/post.md)

---

[API](https://skmtc.dev/censys/apis/censys-platform-api.md) - [All operations](https://skmtc.dev/censys/apis/censys-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/censys/apis/censys-platform-api/revisions/ec1686b0a36a?raw)