Paid JSON for one Substack-backed newsletter, blog, or podcast post
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
661 msmedian answer time
$1.00listed price per call
$1.00price 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://dripstack.xyz/api/v1/publications/:publicationSlug/:postSlug
| Category | Market data |
|---|---|
| Provider host | dripstack.xyz |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 6 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $1.00 | 661 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"postSlug": "money-stuff-dont-hedge-the-kpis-20260831",
"publicationSlug": "newsletter.matt-levine.news.bloomberg.com"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"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"
}