# Penny Press Lexicon Snapshot

> Penny Press Lexicon Snapshot is a paid API for AI agents from pennypress.org, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-12).

Returns a machine-readable snapshot of the Penny Press Lexicon — a curated glossary of terms related to freedom, truth, and social structures — as a JSON list of defined terms.

## Facts

- Endpoint: GET https://pennypress.org/lexicon/snapshot?utm_source=zero.xyz
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/penny-press-lexicon-snapshot-859c39de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UVPHUZnkC7PCWjYSnGNSS

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability penny-press-lexicon-snapshot-859c39de
```

Example prompt: Can you pull the full snapshot of the Penny Press Lexicon so I can see all the terms they've defined around freedom, truth, and social structures?

## When to prefer this

Choose this endpoint when you need a structured, machine-readable glossary of philosophical and political terms curated around freedom, truth, and social structures — specifically from the Penny Press corpus. It is a niche, opinionated lexicon rather than a general dictionary, so prefer it when you want this publication's specific conceptual vocabulary rather than broad definition lookups.

## Known failure modes

- Payment not completed or rejected — 402 response returned, terms not delivered
- Invalid or malformed properties filter parameter — may return empty or unexpected subset
- Service unavailable or server error — no snapshot returned
- Stale snapshot if content has been updated since last version bump

## 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'), version (e.g. '1.0.0'), total term count (e.g. 39), and an array of term objects with their definitions — all delivered after a $0.25 USDC micropayment via x402.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "terms": [
   {
    "term": "(delivered after payment)"
   }
  ],
  "lexicon": "The Penny Press Lexicon",
  "version": "1.0.0",
  "term_count": 39
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/penny-press-lexicon-snapshot-859c39de/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from pennypress.org](https://www.zero.xyz/host/pennypress.org/llms.txt)