ToolAssay

Get a Substack post by URL, ID, or publication and slug

Get a Substack post by URL, ID, or publication and slug.

Answeringour last check, 2026-10-25
1 of 1checks answered this week
258 msmedian answer time
$0.004listed price per call
$0.004price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://x402.apidirect.io/v1/substack/post

CategoryEverything else
Provider hostx402.apidirect.io
Networkseip155:8453
Payment schemesexact, upto
Self-reported calls, 30 days0 from 0 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-25 valid payment request 402$0.004 258 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "url": "https://www.lennysnewsletter.com/p/all-of-the-lenny-and-friends-summit"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "get_sentiment": {
              "default": false,
              "description": "Set to true to add AI emotion analysis (Plutchik's Wheel) to each result. Adds +$0.001 per request to the cost. Returns emotion scores, dominant emotion, intensity, and polarity.",
              "type": "boolean"
            },
            "post_id": {
              "description": "Numeric post ID, as returned in post_id. Provide url, post_id, or publication and slug.",
              "type": "string"
            },
            "publication": {
              "description": "Publication subdomain, host or URL, used together with slug.",
              "maxLength": 500,
              "type": "string"
            },
            "slug": {
              "description": "Post URL slug, e.g. all-of-the-lenny-and-friends-summit, used together with publication.",
              "maxLength": 200,
              "type": "string"
            },
            "url": {
              "description": "Post URL, e.g. https://www.lennysnewsletter.com/p/all-of-the-lenny-and-friends-summit (max 500 characters). Provide url, post_id, or publication and slug.",
              "maxLength": 500,
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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