How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Vellum AI Subpackage Workflows API

The subpackage_workflows API from Vellum AI — 1 operation(s) for subpackage_workflows.

Vellum AI Subpackage Workflows API is one of 23 APIs that Vellum AI publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 1 operation across 1 path, and defines 5 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against 3 base URLs: https://predict.vellum.ai, https://api.vellum.ai, https://documents.vellum.ai.

1 operations 1 paths 5 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://api.vellum.ai
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Vellum AI Subpackage Workflows API declares 1 security scheme for authenticating requests. An API key is passed in the header as X-API-KEY (default).

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

subpackage_workflows 1
GET
/v1/workflows/executions/{execution_id}/status
Workflow Execution Status
workflow-execution-status 3 params → 200400404500

Schemas 5

The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are CheckWorkflowExecutionStatusResponse (5 properties), CheckWorkflowExecutionStatusError (2 properties), CheckWorkflowExecutionStatusErrorResponse (1 property). Each schema is shown below with its type and property counts.

CheckWorkflowExecutionStatusErrorResponse
object
Error response for workflow execution status check.
1 property 1 required
WorkflowExecutionEventErrorCode
string
WORKFLOWINITIALIZATION - WORKFLOWINITIALIZATION WORKFLOWCANCELLED - WORKFLOWCANCELLED WORKFLOWTIMEOUT - WORKFLOWTIMEOUT PROVIDERCREDENTIALSUNAVAILABLE - PROVID…
CheckWorkflowExecutionStatusResponse
object
Response serializer for workflow execution status check.
5 properties 2 required
CheckWorkflowExecutionStatusError
object
2 properties
WorkflowResultEventState
string
INITIATED - Initiated STREAMING - Streaming FULFILLED - Fulfilled REJECTED - Rejected PENDING - Pending

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

vellum-subpackage-workflows-api-openapi.yml Raw ↑

Other APIs Vellum AI publishes across the network.

Vellum LLM Platform API
Vellum AI Subpackage Deployments API
Vellum AI Subpackage Document Indexes API
Vellum AI Subpackage Documents API
Vellum AI Subpackage Events API
Vellum AI Subpackage Folder Entities API
Vellum AI Subpackage Sandboxes API
Vellum AI Subpackage Test Suite Runs API
Vellum AI Subpackage Test Suites API
Vellum AI Subpackage Uploaded Files API
Vellum AI Subpackage Workflow Deployments API
Vellum AI Subpackage Workflow Executions API
Where this information came from

This is an independent, third-party profile of Vellum AI Subpackage Workflows API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.