# Penny Press Common Cents Full Collection

> Penny Press Common Cents Full Collection is a paid API for AI agents from www.pennypress.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).

Returns the full collection of 'Common Cents' essays and quotes on freedom, truth, and societal structures in machine-readable JSON, gated at $0.01 per call.

## Facts

- Endpoint: GET https://www.pennypress.org/common-cents/full?utm_source=zero.xyz
- Price: $0.01/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-common-cents-full-collection-2c62ae2e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vHyUDh7ViGHd2Akh33GIQ

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-common-cents-full-collection-2c62ae2e
```

Example prompt: Fetch me the full Common Cents collection from Penny Press — all the quotes and essays on freedom and truth in one go.

## When to prefer this

Choose this endpoint when you want the complete, full Common Cents essay and quote collection in a single machine-readable JSON response, and you're willing to pay a $0.01 USDC micropayment. Prefer this over sibling endpoints when you need the entire collection rather than individual entries or subsets.

## Known failure modes

- Payment not completed — 402 response returned if x402 micropayment of $0.01 USDC is not fulfilled
- Empty or malformed response if the upstream content repository is unavailable
- Stale content if the collection has not been updated recently
- Rate limiting or access denial if too many requests are made in a short window

## 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 an array of quotes from the 'Common Cents' collection, the collection name, and a quote_count (typically 20 entries). Each quote entry includes the essay or aphorism text delivered after payment is confirmed.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "quotes": [
   {
    "quote": "(delivered after payment)"
   }
  ],
  "collection": "Common Cents",
  "quote_count": 20
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/penny-press-common-cents-full-collection-2c62ae2e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.pennypress.org](https://www.zero.xyz/host/www.pennypress.org/llms.txt)