Anthropic

Generate text with Claude models via the Anthropic Messages API.

Detail	Value
Category	AI
Base URL	https://api.anthropic.com/v1
Authentication	API Key
Endpoints	4
Connector key	anthropic

Using Anthropic in a workflow

1. Go to Connections and click New Connection.
2. Pick Anthropic from the marketplace.
3. Enter your credentials (see Authentication above for what's expected).
4. In a workflow, drop an API Call node and select this connection.
5. Pick the operation you need from the Operation dropdown — the full list is below.

Available endpoints

Endpoint	Summary
POST /messages	Create a message
POST /messages/batches	Create a message batch
GET /messages/batches/{batch_id}	Get batch status
GET /messages/batches	List message batches

Each endpoint is documented in full below. Use the outline on the right to jump to one.

POST /messages

Create a message

Detail	Value
Operation ID	ai.createMessage
Method	POST
Path	/messages

Parameters

No parameters.

Request Body

Field	Type
model	string
max_tokens	integer
messages	array

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Anthropic connection from the Connection dropdown.
3. In the Operation dropdown, select ai.createMessage.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

Required fields are marked — fill them or the call will fail at runtime.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Anthropic API reference.

POST /messages/batches

Create a message batch

Detail	Value
Operation ID	ai.createBatch
Method	POST
Path	/messages/batches

Parameters

No parameters.

Request Body

Field	Type
requests	array

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Anthropic connection from the Connection dropdown.
3. In the Operation dropdown, select ai.createBatch.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

Required fields are marked — fill them or the call will fail at runtime.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Anthropic API reference.

GET /messages/batches/{batch_id}

Get batch status

Detail	Value
Operation ID	ai.getBatch
Method	GET
Path	/messages/batches/{batch_id}

Parameters

Name	Location	Type	Required
batch_id	path	string	Yes

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Anthropic connection from the Connection dropdown.
3. In the Operation dropdown, select ai.getBatch.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

Required fields are marked — fill them or the call will fail at runtime.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Anthropic API reference.

GET /messages/batches

List message batches

Detail	Value
Operation ID	ai.listBatches
Method	GET
Path	/messages/batches

Parameters

Name	Location	Type	Required
limit	query	integer	No

Using this endpoint in a workflow

1. Add an API Call node to your workflow.
2. Pick your Anthropic connection from the Connection dropdown.
3. In the Operation dropdown, select ai.listBatches.
4. Fill in the parameter fields that appear. Use {{...}} to reference upstream values.

What it returns

The API Call node writes the response to the workflow context:

{
  status: 200,
  success: true,
  data: { ...response body from the API... },
  latencyMs: 142
}

Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Anthropic API reference.