Stream v2 workflow events

GET/api/v2/mv/tasks/{id}/workflow/streamCopy URL

Authentication · x-api-key

Read the saved Omn workflow. Requires task:read scope and ownership; Tasks from a different product return a contract mismatch. Cursor-based events and artifacts retain their original ordering.

All endpointsRequestResponsesCode

Request

idpath · Required

string

Resource identifier returned by the corresponding create operation.

afterquery · Optional

string

Resume after the cursor returned by the previous workflow response; omit on the first request.

Responses

200 OK

Durable SSE; resume with Last-Event-ID

text/event-stream

See the complete schema in the API explorer.

403 Forbidden

Forbidden: the API key lacks the required scope or its IP policy rejects this request.

application/json

• Response 403 · errorRequired

  object
  3 fields

  • Response 403 · error.codeRequired

    string

    Application-specific error code (see error catalog)

  • Response 403 · error.messageRequired

    string

    Human readable error message

  • Response 403 · error.detailsOptional

    object

    Additional error details (optional)

• Response 403 · successRequired

  false

  Always false for error responses

429 Too Many Requests

Request allowance or task admission capacity exceeded. Follow Retry-After when present; otherwise wait for active tasks and use bounded backoff. Limits do not guarantee throughput. For SSE, this is the HTTP connection response, not an event.

application/json

• Response 429 · errorRequired

  object
  3 fields

  • Response 429 · error.codeRequired

    string

    RATE_LIMITED for request and task admission rejections.

  • Response 429 · error.messageRequired

    string

  • Response 429 · error.detailsOptional

    object

    Optional and scope-dependent. Request limits supply scope/policy/type/limit/current/retryAfterSec. Task admission supplies inFlight/limit/tier, plus scope=apiKey for a key cap. IP rejection can omit details. In-flight rejection does not promise Retry-After.

    8 fields

    • Response 429 · error.details.currentOptional

      integer

      Minimum: 0.

    • Response 429 · error.details.inFlightOptional

      integer

      Minimum: 0.

    • Response 429 · error.details.limitOptional

      integer

      Minimum: 0.

    • Response 429 · error.details.policyOptional

      "operation" | "query"

    • Response 429 · error.details.retryAfterSecOptional

      integer

      Minimum: 1.

    • Response 429 · error.details.scopeOptional

      "user" | "api-key" | "ip" | "apiKey"

    • Response 429 · error.details.tierOptional

      "FREE" | "PREMIUM" | "ENTERPRISE"

    • Response 429 · error.details.typeOptional

      "rps" | "daily" | "monthly"

• Response 429 · successRequired

  false

  Default: false.

Request example

Wrap lines

cURL

curl --globoff --request GET \
  --url 'https://api.omnapi.com/api/v2/mv/tasks/{id}/workflow/stream' \
  --header "x-api-key: $OMNAPI_KEY"

Node.js

const response = await fetch("https://api.omnapi.com/api/v2/mv/tasks/{id}/workflow/stream", {
  method: "GET",
  headers: {
    "x-api-key": process.env.OMNAPI_KEY,
  },
});
if (!response.ok) throw new Error(await response.text());
console.log(await response.text());

Python

import os
import requests

response = requests.request(
    "GET", "https://api.omnapi.com/api/v2/mv/tasks/{id}/workflow/stream",
    headers={
        "x-api-key": os.environ["OMNAPI_KEY"],
    },
    timeout=60,
)
response.raise_for_status()
print(response.text)

Set URL and header variables.

Interactive API Explorer → · OpenAPI JSON