API Documentation

Every DevDash tool is available as a REST endpoint. Use them from scripts, CI pipelines, or your own applications.

Authentication & Rate Limits

An API key is required for all API requests. Requests without a valid X-API-Key header are rejected with a 401 Unauthorized response. Rate limits are tracked per account, not per key. All keys belonging to the same account share a single daily request quota.

Free Account

1,000 requests per day per account
1 API key
All 16 endpoints

Pro Account

10,000 requests per day per account
Up to 5 API keys
All 16 endpoints
Priority support

Example Request

curl -H "X-API-Key: dd_your_key_here" https://usedevdash.dev/api/uuid

Endpoints

POST/api/json

Format, minify, or validate JSON.

Parameter	Type	Required	Description
input	string	Yes	JSON string to process
action	string	No	"format" (default), "minify", or "validate"

Example

curl -X POST https://usedevdash.dev/api/json \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "{\\"a\\":1}", "action": "format"}'

POST/api/base64

Encode or decode a Base64 string.

Parameter	Type	Required	Description
input	string	Yes	String to encode or decode
action	string	No	"encode" (default) or "decode"

Example

curl -X POST https://usedevdash.dev/api/base64 \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "hello world", "action": "encode"}'

POST/api/jwt

Decode a JWT token into its header, payload, and signature.

Parameter	Type	Required	Description
token	string	Yes	JWT string to decode

Example

curl -X POST https://usedevdash.dev/api/jwt \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"token": "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.rTCH8cLoGxAm_xw68z-zXVKi9ie6xJn9tnVWjd_9ftE"}'

POST/api/hash

Generate hash digests (MD5, SHA-1, SHA-256, SHA-512).

Parameter	Type	Required	Description
input	string	Yes	String to hash
algorithm	string	No	"sha256" (default), "md5", "sha1", or "sha512"

Example

curl -X POST https://usedevdash.dev/api/hash \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "hello", "algorithm": "sha256"}'

GET/api/uuid

Generate one or more v4 UUIDs.

Parameter	Type	Required	Description
count	number	No	Number of UUIDs to generate (default 1, max 100)

Example

curl -H "X-API-Key: dd_your_key_here" https://usedevdash.dev/api/uuid?count=5

POST/api/url

Encode, decode, or parse a URL.

Parameter	Type	Required	Description
input	string	Yes	URL string to process
action	string	No	"encode" (default), "decode", or "parse"

Example

curl -X POST https://usedevdash.dev/api/url \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "https://example.com/path?q=hello world", "action": "encode"}'

POST/api/regex

Test a regular expression against a string.

Parameter	Type	Required	Description
pattern	string	Yes	Regular expression pattern
flags	string	No	Regex flags (default "g")
text	string	Yes	Test string

Example

curl -X POST https://usedevdash.dev/api/regex \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"pattern": "\\d+", "flags": "g", "text": "abc 123 def 456"}'

POST/api/timestamp

Convert between Unix timestamps and ISO date strings.

Parameter	Type	Required	Description
input	string \| number	Yes	Unix timestamp (seconds) or ISO date string

Example

curl -X POST https://usedevdash.dev/api/timestamp \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": 1700000000}'

GET/api/password

Generate a secure random password.

Parameter	Type	Required	Description
length	number	No	Password length (default 16, max 128)
uppercase	boolean	No	Include uppercase letters (default true)
numbers	boolean	No	Include numbers (default true)
symbols	boolean	No	Include symbols (default true)

Example

curl -H "X-API-Key: dd_your_key_here" "https://usedevdash.dev/api/password?length=24&symbols=true"

POST/api/sql

Format and beautify SQL queries.

Parameter	Type	Required	Description
input	string	Yes	SQL query to format

Example

curl -X POST https://usedevdash.dev/api/sql \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "SELECT id,name FROM users WHERE active=1 ORDER BY name"}'

POST/api/cron

Parse a cron expression into a human-readable description.

Parameter	Type	Required	Description
expression	string	Yes	Cron expression (5 or 6 fields)

Example

curl -X POST https://usedevdash.dev/api/cron \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"expression": "0 9 * * 1-5"}'

POST/api/color

Convert colors between formats. Accepts hex (#ff0000) or rgb(255,0,0). Returns HEX, RGB, and HSL values.

Parameter	Type	Required	Description
color	string	Yes	Color value — accepts hex (#ff0000) or rgb(255,0,0)

Example

curl -X POST https://usedevdash.dev/api/color \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"color": "#8B5CF6"}'

GET/api/qrcode

Generate a QR code as a PNG image.

Parameter	Type	Required	Description
text	string	Yes	Text or URL to encode
size	number	No	Image size in pixels (default 300, max 1000)

Example

curl -H "X-API-Key: dd_your_key_here" "https://usedevdash.dev/api/qrcode?text=https://usedevdash.dev&size=512" -o qr.png

GET/api/lorem

Generate lorem ipsum placeholder text.

Parameter	Type	Required	Description
paragraphs	number	No	Number of paragraphs (default 3, max 20)

Example

curl -H "X-API-Key: dd_your_key_here" https://usedevdash.dev/api/lorem?paragraphs=2

POST/api/diff

Compare two texts and return the differences.

Parameter	Type	Required	Description
original	string	Yes	Original text
modified	string	Yes	Modified text

Example

curl -X POST https://usedevdash.dev/api/diff \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"original": "hello world", "modified": "hello there"}'

POST/api/markdown

Convert Markdown to HTML.

Parameter	Type	Required	Description
input	string	Yes	Markdown string to convert

Example

curl -X POST https://usedevdash.dev/api/markdown \
  -H "X-API-Key: dd_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"input": "# Hello\n\nThis is **bold**."}'

Error Handling

All endpoints return JSON error responses with an error field.

Status	Description
400	Bad Request -- Missing or invalid parameters.
401	Unauthorized -- Missing or invalid API key. Sign up at usedevdash.dev/account.
429	Too Many Requests -- Rate limit exceeded. Upgrade to Pro for higher limits.
500	Internal Server Error -- Something went wrong on our end. Please try again.