CSV → API requests

Turn spreadsheets into API requests.

Upload CSV data, map it to any API, and generate validated JSON and cURL without writing integration scripts.

Start Building FreeSee How It Works

No signup required • Runs in your browser

HOW IT WORKS

From spreadsheet to API in three steps

01→

Import your API

Paste an existing cURL request or example JSON payload.

Go to API import →
02→

Upload your data

Import a CSV and map spreadsheet columns to API fields.

Go to CSV import →
03→

Generate

Validate your data and copy production-ready JSON or cURL.

View generated output →

API REQUEST BUILDER

Build your request

Start with a cURL, example payload, CSV, or manual data.

Import cURL

Paste an existing request to configure PayloadForge automatically.

Request

Headers

Target API

Paste an example payload or define the target schema.

Request Data

Each row becomes one JSON object.

Source
name
API Field
Type
Source
country
API Field
Type
Source
revenue
API Field
Type
Source
active
API Field
Type
Transform
1
2
3
Row 1, "revenue" must be a number.
Resolve validation errors before copying this request.
[
  {
    "name": "Apple",
    "country": "US",
    "revenue": " ₹3,83,000 ",
    "active": true
  },
  {
    "name": "Sony",
    "country": "Japan",
    "revenue": 85000,
    "active": true
  },
  {
    "name": "Tata",
    "country": "India",
    "revenue": 52000,
    "active": false
  }
]

WHY PAYLOADFORGE

Stop writing one-off scripts just to move spreadsheet data into an API.

PayloadForge handles the repetitive parts: payload structure, field mapping, types, validation and cURL generation.

✓No Python scripts
✓Automatic field mapping
✓Type validation
✓CSV imports
✓JSON generation
✓cURL generation
PAYLOADFORGE PRO

Need to do this regularly?

Save API templates, mappings and environments. Import larger datasets and reuse your workflows.

✓ Saved API templates
✓ Saved mappings
✓ Excel imports
✓ Larger datasets
✓ Environments
✓ Request history

Early access pricing coming soon.