Paid JSON for one Substack-backed newsletter, blog, or podcast post: synthesized summary (
Paid JSON for one Substack-backed newsletter, blog, or podcast post: synthesized summary (`synthesizedSummary`), metadata, and identifiers for financial analysis. Path params are `publicationSlug` and `postSlug`. Returns 503 until summary exists. USDC `exact` x402 on Base or Solana; USD amount is per-post when set on the post, otherwise the server default.
1000000 (raw units)
price
13
calls / 30d
2
unique payers
2026-09-01
updated
Provider
dripstack.xyz · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xBF22b6DdB5A08c823856A779f1004eEa60C5aB92",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "2cCuDjNEuA7QFgBiS8rYcWrxJxeYGJFGHvXaaCXBqmHF",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "1000000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"postSlug": "money-stuff-dont-hedge-the-kpis-20260831",
"publicationSlug": "newsletter.matt-levine.news.bloomberg.com"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"author": "Author display name",
"createdAt": "2024-01-15T11:00:00.000Z",
"description": "Optional SEO description",
"guid": "https://example.substack.com/p/example-post",
"id": "clxexamplepostid0001",
"imageUrl": "https://example.substack.com/img/cover.png",
"publicationId": "clxexamplepubid001",
"publicationSlug": "example-publication",
"publishedAt": "2024-01-15T12:00:00.000Z",
"slug": "example-post",
"subtitle": "Optional subtitle",
"synthesizedSummary": "Detailed synthesized summary of the newsletter post after successful payment.",
"title": "Example post title",
"updatedAt": "2024-01-16T09:00:00.000Z",
"url": "https://example.substack.com/p/example-post"
},
"type": "json"
}
},
"routeTemplate": "/api/v1/publications/:publicationSlug/:postSlug",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"additionalProperties": false,
"properties": {
"postSlug": {
"description": "Post slug within the publication.",
"type": "string"
},
"publicationSlug": {
"description": "Publication slug (normalized host), e.g. tokenized.simplecast.com.",
"type": "string"
}
},
"required": [
"publicationSlug",
"postSlug"
],
"type": "object"
},
"queryParams": {
"additionalProperties": false,
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"author": {
"type": [
"string",
"null"
]
},
"createdAt": {
"type": "string"
},
"description": {
"type": [
"string",
"null"
]
},
"guid": {
"type": "string"
},
"id": {
"type": "string"
},
"imageUrl": {
"type": [
"string",
"null"
]
},
"publicationId": {
"type": "string"
},
"publicationSlug": {
"type": "string"
},
"publishedAt": {
"type": [
"string",
"null"
]
},
"slug": {
"type": "string"
},
"subtitle": {
"type": [
"string",
"null"
]
},
"synthesizedSummary": {
"type": "string"
},
"title": {
"type": "string"
},
"updatedAt": {
"type": "string"
},
"url": {
"type": [
"string",
"null"
]
}
},
"required": [
"id",
"publicationId",
"publicationSlug",
"guid",
"slug",
"title",
"subtitle",
"description",
"url",
"author",
"imageUrl",
"publishedAt",
"synthesizedSummary",
"createdAt",
"updatedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://dripstack.xyz/api/v1/publications/:publicationSlug/:postSlug" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://dripstack.xyz/api/v1/publications/:publicationSlug/:postSlug");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://dripstack.xyz/api/v1/publications/:publicationSlug/:postSlug")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/4021.json, and this resource appears in /discovery/resources and /discovery/search.