Visualize Fastapi Endpoints with Fastapi-Voyager
Postedabout 2 months agoActiveabout 2 months ago
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FastapiAPI VisualizationSoftware Development
Key topics
Fastapi
API Visualization
Software Development
The post introduces FastAPI-Voyager, a tool for visualizing FastAPI endpoints, and sparks a discussion on its usability and potential improvements.
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Discussion Activity
Moderate engagementFirst comment
27m
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Key moments
- 01Story posted
Nov 9, 2025 at 7:24 AM EST
about 2 months ago
Step 01 - 02First comment
Nov 9, 2025 at 7:51 AM EST
27m after posting
Step 02 - 03Peak activity
9 comments in 0-3h
Hottest window of the conversation
Step 03 - 04Latest activity
Nov 11, 2025 at 1:27 AM EST
about 2 months ago
Step 04
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Analyzing up to 500 comments to identify key contributors and discussion patterns
ID: 45865049Type: storyLast synced: 11/20/2025, 5:39:21 PM
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fastapi-voyager, from left to right, is tag, routes(apis) and response_models, it indicates the internal relationship between routes, which can help developers/PO easily figure out the data structure.
in voyager their relationships are visualized and very close to the source code.
those are clusters based on modules, you can swith off by toggle 'show module cluster'
the goal is to make the dependencies clear for developers, and figure out the potential impacts from one node to others.
pydantic-resolve is just another my project to make the process of data composition close to ER model and get rid of glue codes like 'for loops'.
@subset(User) class PickedUser: ....
It's 2025, I don't want to look at a giant hairball. At top level, give me a summary, reveal detail as I drill down.
Am I using this as a reference? The search looks promising, I can follow thru and find specifics on a particular item I am after.
The tangled mess kind of picture is still sometimes useful: you can roughly see bunches grouped, and notice things that are all over the place.
and in local env, you can 'really' open it in vscode.
pick tag/routes at left panel, and see subgraphs
double click to see field table and source code, click link to see source code in github
click focus to hide other nodes.
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