The processing API

Your JSON.One endpoint.

Five free, stateless operations. Explicit requests. No sign-in for processing.

Explore the reference

THE WORKFLOW, AT A GLANCE

Pick an operation. See the shape.

Request → response

POST/api/v1/fytools/FYJSON/process

formatStateless processing

Returns indented json_text and document statistics. Optional indent is an integer from 0 to 8; default 2.

json_text requiredindent 0–8 · default 2

EXAMPLES · NO REQUEST IS SENT

format request example

1{
2  "operation": "format",
3  "json_text": "{\"hello\":true}",
4  "indent": 2
5}

For cURL, set API_BASE_URL to your API host including /api/v1, such as http://localhost:3001/api/v1. Use the API host rather than this marketing domain.

Shared limits

Combined input: 2 MiB UTF-8 across json_text and compare_text
Nesting and values: 64 levels; 100,000 values per document
Comparison results: Up to 1,000 change paths, with total and truncation flag
Formatted output: Up to 16 MiB
Request rate: 60 requests per minute per IP

Read the response

200Validate may return valid: false for invalid JSON.

400Invalid operation, JSON or request body.

413A processing bound was exceeded.

429Request rate limit reached.

Responses use statusCode, message and data. Processing does not save a cloud document; personal storage requires authentication. Syntax checking is not JSON Schema validation.

How your data is handled

← FyJSON overview

The processing API

Your JSON.One endpoint.

Five free, stateless operations. Explicit requests. No sign-in for processing.

Explore the reference

THE WORKFLOW, AT A GLANCE

Pick an operation. See the shape.

Request → response

POST/api/v1/fytools/FYJSON/process

formatStateless processing

Returns indented json_text and document statistics. Optional indent is an integer from 0 to 8; default 2.

json_text requiredindent 0–8 · default 2

EXAMPLES · NO REQUEST IS SENT

format request example

1{
2  "operation": "format",
3  "json_text": "{\"hello\":true}",
4  "indent": 2
5}

For cURL, set API_BASE_URL to your API host including /api/v1, such as http://localhost:3001/api/v1. Use the API host rather than this marketing domain.

Shared limits

Combined input: 2 MiB UTF-8 across json_text and compare_text
Nesting and values: 64 levels; 100,000 values per document
Comparison results: Up to 1,000 change paths, with total and truncation flag
Formatted output: Up to 16 MiB
Request rate: 60 requests per minute per IP

Read the response

200Validate may return valid: false for invalid JSON.

400Invalid operation, JSON or request body.

413A processing bound was exceeded.

429Request rate limit reached.

Responses use statusCode, message and data. Processing does not save a cloud document; personal storage requires authentication. Syntax checking is not JSON Schema validation.

How your data is handled