---
title: "Prefect Versions API"
account: prefecthq
slug: prefect-versions-api
---

# Prefect Versions API

Workflow orchestration: manage flows, deployments, flow and task runs, work pools, blocks, and concurrency limits

- Operations: 170
- Versions: 1 (latest `a7958ce57e96`)
- Source: https://raw.githubusercontent.com/PrefectHQ/docs/HEAD/versions/2.20.12/api-ref/schema.json
- OpenAPI document: https://skmtc.dev/prefecthq/apis/prefect-versions-api/revisions/a7958ce57e96?raw

## Operations

170 in total, by tag:

- Root (4)
- Flows (7)
- Flow Runs (17)
- Task Runs (10)
- Flow Run States (2)
- Task Run States (2)
- Flow Run Notification Policies (5)
- Deployments (19)
- SavedSearches (4)
- Logs (2)
- Concurrency Limits (7)
- Concurrency Limits V2 (7)
- Block types (9)
- Block documents (6)
- Work Pools (15)
- Work Queues (8)
- Artifacts (9)
- Block schemas (5)
- Block capabilities (1)
- Collections (1)
- Variables (9)
- Other (1)
- Events (4)
- Automations (10)
- UI (1)
- Admin (5)

Every operation, with a link to its markdown: https://skmtc.dev/prefecthq/apis/prefect-versions-api/llms.txt