---
title: "Activate a blockchain (triggers activation workflow)"
method: POST
path: "/blockchain_link/blockchains/{blockchainId}/activate"
tags: ["Blockchain link (Beta)"]
---

# Activate a blockchain (triggers activation workflow)

`POST /blockchain_link/blockchains/{blockchainId}/activate`

## Request

- Base URL: `https://api.fireblocks.io/v1`
- URL: `https://api.fireblocks.io/v1/blockchain_link/blockchains/{blockchainId}/activate`
- Auth: none declared
- TypeScript: <https://skmtc.dev/fireblocks/apis/fireblocks-api/docs/blockchain_link/blockchains/:blockchainId/activate/post.ts> (a function with typed inputs; its response is checked against the schema)

Starts the asynchronous activation workflow for the blockchain identified by its ID, transitioning it towards the ACTIVATED state.

## Path parameters

- `blockchainId` string, required

## Headers

- `Idempotency-Key` string

## Response `202`

Accepted

- ActivateBlockchainResponse
  - `message` string, required: Human-readable result message.

## Other responses

- `default`: Error Response

---

[API](https://skmtc.dev/fireblocks/apis/fireblocks-api.md) - [All operations](https://skmtc.dev/fireblocks/apis/fireblocks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fireblocks/apis/fireblocks-api/revisions/4eba9965659a?raw)