Ambolt URL to markdown API
The URL to markdown API from Ambolt — 1 operation(s) for url to markdown.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Ambolt data tools URL to markdown API
version: 0.1.1
description: Pay-per-call data endpoints using the x402 protocol (USDC on Base, Polygon and Solana). Failed calls are not charged.
x-guidance: 'Call GET /v1/<tool> with the documented query parameters. Without payment the response is 402 with the price and payment requirements; an x402 client pays in USDC and retries. Add free=1 for one free call per tool and IP per day. Company, tender, document, rates, on-chain and web tools; every response carries source and date. The same tools are available as MCP tools at /mcp (free, 30 requests a minute) and as Apify Actors. Company-level data only: no personal data.'
contact:
email: hello@ambolt.dev
url: https://ambolt.dev
servers:
- url: https://api.ambolt.dev
security: []
tags:
- name: URL to markdown
paths:
/v1/url-to-markdown:
get:
operationId: url_to_markdown
summary: 'URL to Markdown: Clean Page Text for LLMs and RAG'
description: Fetch a public web page and return its main text as Markdown with title, headings, lists, tables and absolute links. Respects robots.txt, refuses private and internal addresses, no JavaScript rendering. For pages that need a browser, use a rendering tool.
tags:
- URL to markdown
parameters:
- name: url
in: query
required: true
schema:
type: string
maxLength: 2000
description: Public http(s) URL.
description: Public http(s) URL.
- name: maxChars
in: query
required: false
schema:
type: integer
minimum: 500
maximum: 100000
default: 20000
description: Maximum characters of Markdown returned.
description: Maximum characters of Markdown returned.
- name: free
in: query
required: false
schema:
type: string
enum:
- '1'
description: Set to 1 for one free call per tool and IP address per day (no payment).
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.003000'
protocols:
- x402: {}
responses:
'200':
description: Result (JSON). Every result names its source and the time it was read.
content:
application/json:
schema:
type: object
'400':
description: Invalid input; not charged.
'402':
description: 'Payment required: 0.003 USD in USDC (x402 v2).'