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Penny Press Lexicon Snapshot
x402
Penny Press Lexicon Snapshot is a paid API for AI agents from www.pennypress.org, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-12).
Returns a versioned snapshot of the Penny Press lexicon — a curated list of terms related to freedom, truth, and societal structures — as a machine-readable JSON payload.
Price / call$0.25
Success—
StatusUnknown
How this service works
A repository of essays on freedom, truth, and the structures around us, in machine-readable form. Free for humans. Pennies for machines.
Output
A JSON object containing the lexicon name ('The Penny Press Lexicon'), a semantic version string (e.g. '1.0.0'), a term_count integer (currently 39), and a 'terms' array of term objects — all delivered after payment is processed.
Example use cases
Philosophical concept discovery tool
“Pull the full Penny Press lexicon for me — I want to browse all the terms they've defined around freedom and societal structures to find concepts for my research project.”
Automated glossary integration pipeline
“Fetch the latest Penny Press lexicon snapshot and import all 39 terms into our knowledge base so our AI can reference their definitions on freedom and truth.”
Version tracking for content updates
“Get the current Penny Press lexicon snapshot including its version number — I want to check whether they've added any new terms since the last time we synced.”
Technical details
Endpoint
GEThttps://www.pennypress.org/lexicon/snapshot?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need the full, versioned Penny Press lexicon in one call — ideal for bulk ingestion, knowledge-base seeding, or monitoring lexicon changes over time. Prefer this over individual term lookups when you need all 39 terms at once and want a stable version reference.
Side effects
- Payment not completed or insufficient funds — endpoint returns 402 Payment Required before delivering content
- Invalid or missing properties filter parameter — may return empty or default result set
- Service unavailable — 5xx error if the Penny Press origin is down
- Stale snapshot — version may lag behind if content updates are infrequent
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"terms": [
{
"term": "(delivered after payment)"
}
],
"lexicon": "The Penny Press Lexicon",
"version": "1.0.0",
"term_count": 39
}
}Tags
x402
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