Tool detail

PostToSource

Converts a Twitter/X, LinkedIn, Medium, Substack, Beehiiv, or public Notion page URL into clean markdown.

Categories: Web scraping

Use when

turn a tweet or LinkedIn post into markdown
extract a Substack or Medium article as clean markdown
convert a public Notion page to markdown

Not for

not for paywalled or private pages
not for platforms outside the listed set

Inputs

POST JSON body: { url: string (uri) } (required)

Admitted input schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "format": "uri"
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://api.posttosource.com/api/x402/extract

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://api.posttosource.com/api/x402/extract
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z