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List a Process instance's steps

GET /v1/processes/{process_id}/steps

Property	Value
Operation	`list_process_steps`
Group	Processes
Scope	`processes:read`
Route class	`read`
Idempotency	No `Idempotency-Key`
Audit	Not audited: The step log holds no content in any mode (section 9.3).
Released in	1.62.0
Phase 0 host	Served (the hosted api pins 1.65.0)

Pages the step log of an instance, oldest first (1.62.0): one step per execution attempt of a node, with its outlet, keyed output hash, references and evaluation. It holds no content in any mode.

Request

Set VOCAL_API to the base URL of your API and VOCAL_API_KEY to an API key with the processes:read scope (Authentication and keys). Replace each placeholder, such as agt_... or <name>, with your own value.

curl "$VOCAL_API/v1/processes/prc_.../steps" \
  -H "Authorization: Bearer $VOCAL_API_KEY"

const response = await fetch(`${process.env.VOCAL_API}/v1/processes/prc_.../steps`, {
  headers: {
    Authorization: `Bearer ${process.env.VOCAL_API_KEY}`,
  },
});
console.log(response.status, await response.text());

import os

import requests

response = requests.get(
    f"{os.environ['VOCAL_API']}/v1/processes/prc_.../steps",
    headers={
        "Authorization": f"Bearer {os.environ['VOCAL_API_KEY']}",
    },
)
print(response.status_code, response.text)

Parameters

Name	In	Type	Required	Description
`process_id`	path	ProcessInstanceId	yes	The id of a Process instance: `prc_` and the row's UUIDv7 in 26 Crockford base32 characters. Opaque and safe to log.
`limit`	query	integer	no	The page size, 1 to 100.
`cursor`	query	string	no	The opaque `next_cursor` of the previous page; it binds the filters it was issued under.
`node_id`	query	WorkflowNodeId	no	Only the steps of this node.
`status`	query	ProcessStepStatus	no	Only the steps in this status.

Responses

Status	Content type	Shape	Error codes
`200`	`application/json`	ProcessStepList
`400`	`application/json`	ErrorEnvelope	`invalid_request`, `invalid_cursor`
`401`	`application/json`	ErrorEnvelope	`unauthenticated`
`403`	`application/json`	ErrorEnvelope	`forbidden`
`404`	`application/json`	ErrorEnvelope	`not_found`
`429`	`application/json`	ErrorEnvelope	`rate_limited`
`500`	`application/json`	ErrorEnvelope	`internal_error`

Fields of the `200` answer

The shape is ProcessStepList.

Field	Type	Required	Description
`data`	array of ProcessStep	yes	The steps of a Process instance of this page, oldest first, by `started_at`.
`has_more`	boolean	yes	True when a further page exists.
`next_cursor`	string or null	yes	The cursor of the next page, or null on the last page.
`object`	`"list"`	yes