API Documentation

Access all ToolBox tools programmatically via the REST API. Free tools are available without authentication. Premium tools require an API key and credit balance.

Base URL

https://your-domain.com/api/v1

Authentication

Pass your API key as a Bearer token in the Authorization header. Required for premium tools.

// Request header

Authorization: Bearer <your-api-key>

Tool Info

GET
/api/v1/tools/{slug}

Returns tool metadata including name, description, tier, and credit cost.

Response:

{
  "slug": "json-formatter",
  "name": "JSON Formatter & Validator",
  "tier": "free",
  "creditCost": 0,
  "category": "developer"
}

Run a Tool

POST
/api/v1/tools/{slug}

Execute a tool with the given input. Input schema varies per tool.

Example — JSON Formatter:

POST /api/v1/tools/json-formatter
Content-Type: application/json

{
  "input": "{\"name\":\"Alice\",\"age\":30}",
  "mode": "format",
  "indent": 2
}

Response:

{
  "output": "{\n  \"name\": \"Alice\",\n  \"age\": 30\n}",
  "meta": {
    "tool": "json-formatter",
    "processingTime": 12
  }
}

Error Response:

{
  "error": "INSUFFICIENT_CREDITS",
  "message": "You need 5 credits to use this tool.",
  "balance": 2,
  "cost": 5
}

Rate Limits

Free tools (anonymous)

10 requests / day

Free tools (authenticated)

50 requests / day

Premium tools

No rate limit (credit-based)

Available Tools

SlugNameTierCategory
json-formatterJSON Formatter & Validator
Free
developer
base64-codecBase64 Encode / Decode
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developer
uuid-generatorUUID Generator
Free
developer
word-counterWord & Character Counter
Free
text
password-generatorPassword Generator
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security
ai-summarizerAI Text Summarizer
5 cr
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ai-paraphraserAI Paraphraser
8 cr
ai
ai-email-writerAI Email Writer
10 cr
ai
ai-code-explainerAI Code Explainer
8 cr
developer
ai-grammar-checkerAI Grammar Checker
5 cr
ai
url-encoderURL Encoder / Decoder
Free
developer
hash-generatorHash Generator
Free
security
html-entity-encoderHTML Entity Encoder
Free
developer
css-minifierCSS Minifier
Free
developer
number-base-converterNumber Base Converter
Free
converter
color-converterColor Converter
Free
converter
unix-timestampUnix Timestamp Converter
Free
developer
regex-testerRegex Tester
Free
developer
lorem-ipsumLorem Ipsum Generator
Free
text
markdown-previewMarkdown Preview
Free
writing
ai-seo-writerAI SEO Content Writer
20 cr
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jwt-decoderJWT Decoder
Free
developer
cron-generatorCron Expression Builder
Free
developer
aspect-ratio-calculatorAspect Ratio Calculator
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math
chmod-calculatorChmod Calculator
Free
developer
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Free
converter
redirect-generator.htaccess & Nginx Redirect Generator
Free
developer
http-status-codesHTTP Status Code Reference
Free
developer
css-gradient-generatorCSS Gradient Generator
Free
developer
qr-code-generatorQR Code Generator
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converter
diff-checkerText Diff Checker
Free
text
sql-formatterSQL Formatter & Beautifier
Free
developer
og-image-previewOpen Graph Preview
Free
seo
image-resizerImage Resizer & Compressor
Free
image
image-format-converterImage Format Converter
Free
image
svg-to-pngSVG to PNG Converter
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favicon-generatorFavicon Generator
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developer
placeholder-imagePlaceholder Image Generator
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developer
ai-resume-scorerAI Resume Scorer
15 cr
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8 cr
ai
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slug-generatorURL Slug Generator
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js-beautifierJavaScript Beautifier & Minifier
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developer
cipher-toolsCipher Tools
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age-calculatorAge Calculator
Free
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line-toolsLine Tools
Free
text
html-to-markdownHTML to Markdown
Free
converter
barcode-generatorBarcode Generator
Free
converter
image-cropperImage Cropper
Free
image
image-asciiImage to ASCII Art
Free
image
pdf-to-imagePDF to Image Converter
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converter
ai-code-generatorAI Code Generator
10 cr
ai
ai-youtube-scriptAI YouTube Script Writer
15 cr
ai
ai-translatorAI Text Translator
5 cr
ai
ai-tone-changerAI Tone Changer
5 cr
ai
ai-sentiment-analyzerAI Sentiment Analyzer
5 cr
ai
ai-hashtag-generatorAI Hashtag Generator
5 cr
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ai-blog-ideasAI Blog Idea Generator
8 cr
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ai-content-improverAI Content Improver
8 cr
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ai-faq-generatorAI FAQ Generator
10 cr
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ai-product-descriptionAI Product Description Writer
8 cr
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ai-resume-builderAI Resume Builder
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ai-alt-text-generatorAI Alt Text Generator
5 cr
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ai-image-generatorAI Image Generator
8 cr
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css-box-shadow-generatorCSS Box Shadow Generator
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units-converterUnits Converter
Free
converter
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Free
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bmi-calculatorBMI Calculator
Free
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readability-scoreReadability Score Calculator
Free
text
time-zone-converterTime Zone Converter
Free
converter
xml-formatterXML Formatter & Validator
Free
developer
yaml-json-converterYAML ↔ JSON Converter
Free
converter
robots-txt-generatorRobots.txt Generator
Free
seo
xml-sitemap-generatorXML Sitemap Generator
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ip-geolocationIP Geolocation Lookup
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whois-lookupWHOIS Domain Lookup
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developer
curl-to-codecURL to Code Converter
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developer
meme-generatorMeme Generator
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emoji-pickerEmoji Picker & Finder
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ai-ad-copy-generatorAI Ad Copy Generator
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ai-linkedin-postAI LinkedIn Post Writer
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domain-name-ideasDomain Name Idea Generator
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invoice-generatorInvoice Generator
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text-to-speechText to Speech
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offline-chatOffline AI Chat
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speed-testInternet Speed Test
Free
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api-testerAPI Tester
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developer
url-parserURL Parser & Builder
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developer
app-icon-generatorApp Icon Generator
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image
ai-ttsAI Text to Speech
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my-ipWhat Is My IP
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code-screenshotCode Screenshot Generator
Free
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subnet-calculatorSubnet / CIDR Calculator
Free
developer
color-paletteColor Palette Generator
Free
image
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Free
converter
code-playgroundCode Playground
Free
developer
device-mockupDevice Mockup Generator
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image
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0 cr
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url-shortenerURL Shortener
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developer
clipboard-shareClipboard Share
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link-in-bioLink in Bio
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8 cr
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