# Bynder Step 2 Initialise upload API

**Canonical:** https://apis.io/apis/bynder/bynder-step-2-initialise-upload-api/  
**Provider:** Bynder — https://apis.io/providers/bynder/  
**Base URL:** https://yourportal.bynder.com  
**Documentation:** https://api.bynder.com/reference

Bynder Step 2 Initialise upload API is one of 81 APIs that [Bynder](https://apis.io/providers/bynder/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Step 2 Initialise upload. The published artifact set on APIs.io includes an OpenAPI specification.

This endpoint uploads a chunk of the file. You need to provide the file ID obtained from the prepare upload step and the chunk number (starting from 0). The request body should contain the binary data of the chunk being uploaded.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/upload/init` | Initialise upload |

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/bynder/refs/heads/main/openapi/bynder-step-2-initialise-upload-api-openapi.yml

## Other Bynder APIs (12)

- [Bynder Access rights API](https://apis.io/apis/bynder/bynder-access-rights-api/)
- [Bynder Account API](https://apis.io/apis/bynder/bynder-account-api/)
- [Bynder Asset Usage API](https://apis.io/apis/bynder/bynder-asset-usage-api/)
- [Bynder Asset Usage Sync API](https://apis.io/apis/bynder/bynder-asset-usage-sync-api/)
- [Bynder Asset Usage V1 API](https://apis.io/apis/bynder/bynder-asset-usage-v1-api/)
- [Bynder Asset Usage V2 API](https://apis.io/apis/bynder/bynder-asset-usage-v2-api/)
- [Bynder Authorize endpoint API](https://apis.io/apis/bynder/bynder-authorize-endpoint-api/)
- [Bynder Automation Workflow Actions API](https://apis.io/apis/bynder/bynder-automation-workflow-actions-api/)
- [Bynder Automation Workflow Conditions API](https://apis.io/apis/bynder/bynder-automation-workflow-conditions-api/)
- [Bynder Automation Workflow Rules API](https://apis.io/apis/bynder/bynder-automation-workflow-rules-api/)
- [Bynder Automation Workflow Triggers API](https://apis.io/apis/bynder/bynder-automation-workflow-triggers-api/)
- [Bynder Brands API](https://apis.io/apis/bynder/bynder-brands-api/)

## Tags

Step 2 Initialise upload

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/bynder/bynder-step-2-initialise-upload-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/bynder/.