---
title: "Create Collection"
method: POST
path: "/api/v1/tokenization/collections"
tags: ["Tokenization"]
---

# Create Collection

`POST /api/v1/tokenization/collections`

Create a new collection - workflow started

## Headers

- `x-sdk-version` string

## Request body

- CreateCollectionRequest — Create collection request object
  - `network` string, required
  - `addressId` string, required
  - `clientShare` string, required
  - `createParams` object, required
  - `metadata` object
  - `displayName` string
  - `deploymentId` string, required
  - `useGasless` boolean
  - `fee` string
  - `feeLevel` string

## Response `202`

Collection creation workflow started

- WorkflowResponse — Workflow response object
  - `workflowId` string
  - `status` string

## Other responses

- `400` — Bad Request (Possible error codes: ERR_010, ERR_302, ERR_310, ERR_311, ERR_312, ERR_313, ERR_176)
- `401` — You need to sign in to continue (Possible error codes: ERR_008)
- `403` — Forbidden - Insufficient permissions
- `404` — Not Found - Resource not found
- `409` — Conflict - Resource already exists
- `422` — Unprocessable Entity - Validation error
- `500` — Internal Server Error
- `502` — Bad Gateway
- `503` — Service Unavailable
- `504` — Gateway Timeout

## Changes

- **2026-01-31** `13aade479509` — 3 breaking, 3 warning, 14 info
  - added the new required request property `deploymentId`
  - the request property `network` became required
  - removed the success response with the status `201`
  - removed the request property `createParams/initializeParams`
  - …16 more
- **2025-10-23** `cc3e1321b51d` — 2 breaking, 2 warning, 1 info
  - added the new required request property `createParams/initializeParams`
  - added the new required request property `type`
  - removed the request property `createParams/constructorParams`
  - removed the request property `createParams/contractId`
  - …1 more

[Change history](https://skmtc.dev/oumla/apis/oumla-core-server/changes/api/v1/tokenization/collections/post.md)

---

[API](https://skmtc.dev/oumla/apis/oumla-core-server.md) · [All operations](https://skmtc.dev/oumla/apis/oumla-core-server/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/oumla/oumla-core-server/revisions/13aade479509/schema)