# Northline Treasury Yields Rates

> Northline Treasury Yields Rates is a paid API for AI agents from 206-81-14-131.sslip.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-01).

Returns current US Treasury yield rates across maturities, payable per-call via x402 USDC micropayment with no account required.

## Facts

- Endpoint: GET https://206-81-14-131.sslip.io/svc/treasury-yields/rates?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/northline-treasury-yields-rates-7bd6bae2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ezyq4krHdS4RF7Mv-6dWR

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 northline-treasury-yields-rates-7bd6bae2
```

Example prompt: What are the current US Treasury yield rates across all maturities — 1-month through 30-year — right now?

## When to prefer this

Choose this endpoint when you need current US Treasury yield rates without wanting to set up an account or API key — it accepts direct USDC micropayments via x402. Ideal for AI agents needing on-demand, pay-as-you-go access to yield curve data for financial modeling, risk-free rate benchmarking, or macroeconomic monitoring at very low cost ($0.005 per call).

## Known failure modes

- Payment not included or insufficient USDC balance returns 402 Payment Required
- Network or upstream data provider unavailability returns 503 or timeout
- Stale data if underlying Treasury data source has not updated (market hours dependency)
- Invalid or malformed x402 payment header returns 400 or 402

## How this service works

Pay-per-call APIs, paid downloads and work-on-request for agents. Payment: x402 (USDC on Base, eip155:8453), no accounts or API keys. Catalog: https://206-81-14-131.sslip.io/?format=json. Agent guide: https://206-81-14-131.sslip.io/llms.txt

## Output

A structured response containing current US Treasury yield rates across standard maturities (e.g. 1-month, 3-month, 6-month, 1-year, 2-year, 5-year, 10-year, 20-year, 30-year), expressed as annualized percentage rates, reflecting the most recently available market data.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/northline-treasury-yields-rates-7bd6bae2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 206-81-14-131.sslip.io](https://www.zero.xyz/host/206-81-14-131.sslip.io/llms.txt)