LOGICFLOW DATA GEN
Connecting Read docs

Test data studio / v1.0

Test Data
Generator.

Compose realistic, deterministic test data in seconds. Define columns, simulate gaps, then export clean CSV or call the API.

01

Schema

Define your columns

6 fields / 1,000 rows
Derive from example Drag to reorder
Include:
Same seed, same rows
02

Output

Live preview

Generating
Previewing first 25 rows seed MOCK-2401
Preview of generated sample data
The first rows of your export, generated locally.
03

Developer API

Data, on demand.

Raw spec Swagger docs

Send a schema, receive a generated file. The API uses the same deterministic engine as the builder — perfect for fixtures, demos, and seed data.

POST /api/generate Generate a file
POST /api/preview Inspect rows as JSON
POST /api/derive Infer from example data
POST /api/ai/schema AI schema · key required
GET /api/types Field catalog
GET /api/health Status check
Base URL http://localhost:4310
Runs locally. Nothing is sent to a third party.
Preview and export share the same seed.
Returns CSV by default See the output above

Schema library

Add a field

Pick a type. We’ll give it a sensible key you can rename.

/
Fields can be reordered after they’re added.

✦ Preset assistant LOCAL

Start with a preset

Describe the dataset you need. We’ll shape a starting schema from curated presets. Everything runs in your browser.

Try a category, a product, or a use case. 0 / 280

✦ AI schema Checking

Generate sample data with AI

Describe the dataset you need. Your connected model drafts the schema, then LogicFlow Data Gen generates the rows, preview, and export locally.

Checking your AI settings…

Field inspector

field_name

Blank target 0%
Preview fill rate —
Values shown —

Sample values from the current preview