IranTools RTL Fixer

x402

IranTools RTL Fixer is a paid API for AI agents from irantools.johnaio281.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-22).

Fixes right-to-left (RTL) text directionality issues in Persian/Arabic strings, ensuring proper Unicode bidirectional rendering.

Price / call$0.003

Seller volume →—

Success—

StatusUnknown

How this service works

Persian and Iranian utilities for AI agents, plus general text/Unicode tooling. Jalali (Solar Hijri) calendar conversion, Iranian national ID / SHEBA / bank card / postal code / economic code validation, province and city lookup, official public holidays, Persian text normalization, keyword extraction, sentence splitting, similarity, HTML stripping, RTL fixing, Unicode homoglyph folding, script detection, NFC/NFD normalization, grapheme counting, date description, business-day counting, slugify, FNV-1a hashing, Shannon entropy, format and encoding detection, byte sizes. Pay per call in USDC on Base via x402 - no signup, no API key, no KYC. The same tools are also exposed as MCP tools at /mcp.

Output

Returns a JSON object containing the RTL-fixed version of the input text, with corrected Unicode bidirectional control characters and proper right-to-left text directionality applied, suitable for rendering in web or app interfaces.

Example use cases

Fix Persian UI text rendering

“I have this Persian string pulled from our database that's displaying backwards in the browser — can you fix the RTL direction so it renders properly: 'سلام دنیا این یک متن آزمایشی است'?”

Repair Farsi content from scraped data

“I scraped some Farsi news content but the text direction is all messed up and bidi control characters are wrong — please fix the RTL issues in this text: 'اخبار روز ایران و جهان را اینجا بخوانید'”

Normalize RTL before publishing

“Before I publish this Persian article to the website, can you run the RTL fixer on this paragraph to make sure the bidirectional text will display correctly for readers: 'این مقاله درباره فناوری هوش مصنوعی در ایران است'?”

Technical details

Endpoint

POSThttps://irantools.johnaio281.workers.dev/api/iran/fix_rtl?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to fix RTL directionality issues specifically in Persian or Arabic text — particularly when text scraped from the web, imported from databases, or pasted by users has malformed or missing bidi control characters. It pairs well with other IranTools endpoints for a full Persian text normalization pipeline. Prefer this over manual Unicode bidi insertion when you want a reliable, language-aware correction without building your own Unicode bidirectional algorithm.

Side effects

Missing required 'text' field returns 400 validation error
Empty string input may return unchanged empty string
Extremely long strings may hit Cloudflare Worker memory or timeout limits
Non-Persian/Arabic Latin-only text is returned unchanged or with no meaningful transformation
Payment failure (insufficient USDC balance) results in 402 response blocking the call

Input

Schema · Request body

Field	Type	Description
textrequired	string

Output

Schema · Response

{
  "type": "object",
  "additionalProperties": true
}

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