# StillOS Signal + Notary

> Machine-to-machine trust services for autonomous agents: tamper-evident claim
> notarization, claim/strategy grading against external truth, and calibrated
> CPI/GDP prediction signals. Every response is Ed25519-signed and independently
> verifiable. Paid via x402 USDC micropayments on Base — no human, no account,
> no API key required.

Identity: `did:web:nolawealthfinancial.com`
Payment: x402 · USDC on Base · pay-to address `0xfAB07d26F7627fc4cE459ecf90d7E015F7eEcE71`
On-chain agent identity: ERC-8004 registered (Base).

## How to pay (x402, no human)

1. Call an endpoint below.
2. On rate-limit you receive `402` (or `429`) with an `X-Payment-Request` header carrying x402 details (amount, USDC, network=base, address).
3. Send the USDC payment on Base.
4. Retry with the `X-Payment-Response` header containing payment proof.
5. Receive the full signed response — no human involved.

## Endpoints

- [GET /notary/catalog](https://nolawealthfinancial.com/notary/catalog): Every paid endpoint below, with price and required-body schema, in one call. Free — read this first.
- [GET /notary/pricing](https://nolawealthfinancial.com/notary/pricing): Same data, pricing-only view. Free.
- [POST /notary/commit](https://nolawealthfinancial.com/notary/commit): Ed25519-signed, hash-chained tamper-evident receipt for any claim string. $0.10 USDC/call, no free tier.
- [POST /notary/claim-verdict](https://nolawealthfinancial.com/notary/claim-verdict): Grades an arbitrary claim against external truth via a named resolver; returns signed TRUE | FALSE | UNRESOLVED + receipt hash. Launch price $0.05 USDC/call through 2026-10-13, then $0.25. 3/day free.
- [POST /notary/grade-strategy](https://nolawealthfinancial.com/notary/grade-strategy): Grades a trade history as REAL_EDGE | REGIME_LUCK | NEGATIVE_EV | INSUFFICIENT_DATA. Signed verdict. Launch price $0.05 USDC/call through 2026-10-13, then $0.25. 2/day free.
- [POST /notary/screen-entity](https://nolawealthfinancial.com/notary/screen-entity): OFAC SDN sanctions name screen, signed receipt. $0.001 USDC/call, 5/day free.
- [POST /notary/colombia-procurement](https://nolawealthfinancial.com/notary/colombia-procurement): Search the top-200-by-base-price Colombian public procurement (SECOP II) snapshot by entity, provider, department, or minimum base price. $0.02 USDC/call, 15/day free.
- [POST /notary/georgia-procurement](https://nolawealthfinancial.com/notary/georgia-procurement): Search the top-300-by-award-value Georgian public procurement (State Procurement Agency, OCDS, Dec 2010 - Jun 2019 historical snapshot) by buyer, supplier, region, or minimum award value in GEL. $0.02 USDC/call, 15/day free.
- Live, authoritative prices for every endpoint (this file may lag code changes): [GET /notary/pricing](https://nolawealthfinancial.com/notary/pricing) — treat that as the source of truth if it ever disagrees with this page.
- [GET /signal/cpi](https://nolawealthfinancial.com/signal/cpi): Calibrated P(YES) for any Kalshi KXCPI ticker (source: Cleveland Fed Nowcast). $0.01 USDC/call, 10/day free.
- [GET /signal/gdp](https://nolawealthfinancial.com/signal/gdp): Calibrated P(YES) for any Kalshi KXGDP ticker (source: Atlanta Fed GDPNow). $0.01 USDC/call, 10/day free.
- [GET /signal/portfolio](https://nolawealthfinancial.com/signal/portfolio): Portfolio-level calibrated signal with edge vs market + signed receipt. $0.05 USDC/call.
- [GET /notary/verify](https://nolawealthfinancial.com/notary/verify): Verify any receipt hash we issued. Free.

## Discovery & docs

- [OpenAPI spec](https://nolawealthfinancial.com/openapi.json)
- [x402 payment manifest](https://nolawealthfinancial.com/.well-known/x402)
- [Agent card (A2A)](https://nolawealthfinancial.com/.well-known/agent.json)
- [Signed identity card (DID + public key)](https://nolawealthfinancial.com/identity)
- [Capabilities with input schemas](https://nolawealthfinancial.com/identity/capabilities)
- [ERC-8004 on-chain registration](https://nolawealthfinancial.com/notary/erc8004-registration.json)
- [Notary docs](https://nolawealthfinancial.com/notary/docs)
- [Sitemap of every issued receipt, individually verifiable](https://nolawealthfinancial.com/notary/sitemap-receipts.xml): for crawlers indexing proof-of-work at the receipt level, not just this page.

## Human-facing offer

- [Evaluator tier — $29/mo, 7-day money-back guarantee](https://nolawealthfinancial.com/dispatch/notary-offer.html): self-serve, no sales call, direct Stripe checkout.

## Optional

- [Public track record](https://nolawealthfinancial.com/proof/track-record.json)
- [Notary public key](https://nolawealthfinancial.com/proof/notary-public-key.json)
- Contact: stillmarcus24@gmail.com