Mathpix via Locus x402 — Math & Science OCR

x402

Mathpix via Locus x402 — Math & Science OCR is a paid API for AI agents from mathpix.x402.paywithlocus.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-11).

Extracts LaTeX, MathML, and structured text from images of mathematical equations, scientific notation, and handwritten content using Mathpix OCR, payable via x402 micropayment.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

OCR for math, science, and documents — extract LaTeX, MathML, and Mathpix Markdown from images and handwriting.

Output

Returns a JSON object containing the requested output formats (e.g. LaTeX, text, HTML, latex_styled), optional line/word segmentation data, SMILES for chemistry diagrams, and payment settlement details including the USDC amount charged. The 'data' field holds the OCR results keyed by requested format.

Example use cases

Digitize handwritten homework solutions

“I have a photo of my student's handwritten math homework — can you run it through Mathpix OCR and give me the full LaTeX so I can paste it into Overleaf? The image URL is https://example.com/homework.png, and I want both text and latex_styled output.”

Extract equations from textbook screenshots

“Here's a screenshot of a page from a physics textbook: https://example.com/textbook_page.jpg — please extract all the equations as LaTeX and return the output with line-by-line segmentation so I can see which formula is on which line.”

Convert chemistry diagram image to SMILES

“I've got an image of a chemical structure diagram at https://example.com/molecule.png — can you use Mathpix to extract it and return the SMILES notation for the compound?”

Technical details

Endpoint

POSThttps://mathpix.x402.paywithlocus.com/mathpix/process-image?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to extract structured mathematical notation (LaTeX, MathML) or scientific content from images or handwritten documents. It is specifically optimized for math and science OCR, outperforming general-purpose OCR tools on equations, matrices, integrals, and chemistry diagrams. Prefer it over generic OCR when the content contains symbolic math, and over manual transcription pipelines when you need LaTeX output directly. The x402 micropayment model makes it practical for per-call agent workflows without subscription overhead.

Side effects

Image URL is unreachable or returns a non-image response — OCR fails with an error
Confidence score falls below the specified confidence_threshold — returns an error instead of low-quality output
Image contains no recognizable math or text — returns empty or minimal output
Invalid base64 encoding of image — request fails with a parsing error
Unsupported output format string in 'formats' array — may be ignored or cause a validation error
Payment authorization fails — request is rejected before processing begins

Input

Schema · Request body

Field	Type	Description
src	string
region	object
formats	array
rm_fonts	boolean
rm_spaces	boolean
include_smiles	boolean
include_line_data	boolean
include_word_data	boolean
confidence_threshold	number
idiomatic_eqn_arrays	boolean
math_inline_delimiters	array
math_display_delimiters	array

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

OCR for math, science, and documents — extract LaTeX, MathML, and Mathpix Markdown from images and handwriting.

Output

Example use cases

Digitize handwritten homework solutions

Extract equations from textbook screenshots

Convert chemistry diagram image to SMILES

“I've got an image of a chemical structure diagram at https://example.com/molecule.png — can you use Mathpix to extract it and return the SMILES notation for the compound?”

Technical details

Endpoint

POSThttps://mathpix.x402.paywithlocus.com/mathpix/process-image?utm_source=zero.xyz

When to prefer

Side effects

Image URL is unreachable or returns a non-image response — OCR fails with an error
Confidence score falls below the specified confidence_threshold — returns an error instead of low-quality output
Image contains no recognizable math or text — returns empty or minimal output
Invalid base64 encoding of image — request fails with a parsing error
Unsupported output format string in 'formats' array — may be ignored or cause a validation error
Payment authorization fails — request is rejected before processing begins

Input

Schema · Request body

Field	Type	Description
src	string
region	object
formats	array
rm_fonts	boolean
rm_spaces	boolean
include_smiles	boolean
include_line_data	boolean
include_word_data	boolean
confidence_threshold	number
idiomatic_eqn_arrays	boolean
math_inline_delimiters	array
math_display_delimiters	array

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}