# Treasury Savings Bond Redemption Tables

> Treasury Savings Bond Redemption Tables is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Returns redemption values and interest earned for US savings bonds by issue year and denomination, with configurable row count.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/treasury-savings-bond-redemption-tables
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/treasury-savings-bond-redemption-tables-aaeffa95
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_M-ZoQ7_1rY9IMlfXCB9FF

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 treasury-savings-bond-redemption-tables-aaeffa95 -d '<json body>'
```

Example prompt: Can you pull the Treasury savings bond redemption tables and show me the first 20 rows — I want to see the redemption values and interest earned by issue year and denomination?

## When to prefer this

Use this endpoint when you need programmatic access to US Treasury savings bond redemption values and interest earned across issue years and denominations, especially for financial planning tools, bond calculators, or comparing the value of bonds issued in different years.

## Known failure modes

- Invalid or missing q parameter may return an empty or default result set
- Service unavailable returns non-200 HTTP status
- Payment failure (402) if USDC payment not provided
- Stale data if Treasury source tables are not updated

## How this service works

Redemption values and interest earned for savings bonds by issue year and denomination; q sets the number of rows returned. Query: ?q= Returns JSON.

## Output

A JSON array of savings bond redemption table rows, each containing issue year, denomination, redemption value, and interest earned, limited to the number of rows specified by the q parameter.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/treasury-savings-bond-redemption-tables-aaeffa95/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)