JSON Escape

Escape or unescape strings for safe JSON embedding. This is the only free endpoint — no API key needed.

POST /api/json-escape

No authentication required. Rate limited per IP.

Accepts both application/json and application/x-www-form-urlencoded.

JSON parameters

Field	Type	Required	Description
mode	string	Yes	escape or unescape
input	string	Yes	The string to process

Form parameters

Same fields as form values (mode and input).

Response (JSON mode)

{
  "output": "hello \\\"world\\\"",
  "mode": "escape"
}

Response (form mode)

Plain text body with the result string.

Examples

Escape (JSON):

curl -X POST https://morso.dev/api/json-escape \
  -H "Content-Type: application/json" \
  -d '{"mode": "escape", "input": "hello \"world\"\nnew line"}'

{
  "output": "hello \\\"world\\\"\\nnew line",
  "mode": "escape"
}

Unescape (form data):

curl -X POST https://morso.dev/api/json-escape \
  -d "mode=unescape" \
  -d "input=hello+%5C%22world%5C%22"

Response body: hello "world"

Notes

• No Authorization header needed.
• Max body: 5 MB.