Token Verdict

Before an AI agent spends real money on a token, it pays $0.02 to ask Token Verdict first — a pay-per-call risk score for the agent economy. No accounts, no API keys: payment is the authentication.

Live on Base mainnet x402 v2 · exact scheme $0.02 USDC / call

What an agent gets

One POST /v1/verdict with a token contract address returns:

a verdict — SOLID, CAUTION, or DANGER
a risk score from 0 to 100
six weighted market-structure signals — liquidity depth, volume churn, sell pressure, price action, trader breadth, pair age — each scored and explained in plain English
a short written analyst take, plus the raw market data the verdict was derived from, so any caller can re-check the math

How to call it

curl -X POST https://token-verdict-production.up.railway.app/v1/verdict \
  -H 'content-type: application/json' \
  -d '{"address":"0x2821d96B5FC81aEC3763340b375a846a89A3Ec1b","chain":"base"}'

Unpaid calls return an HTTP 402 x402 challenge (price, asset, network, pay-to wallet). Pay $0.02 USDC on Base with any x402 v2 client, retry with the payment header, and the verdict comes back. There is no signup and no key to manage — the settlement is the credential.

Worked example: one complete verdict, step by step — discovery, the request, the real 402 challenge, the payment, and the response.

Endpoints

Route	Price	Purpose
`POST /v1/verdict`	$0.02	Token risk verdict (paid, x402)
`GET /example`	free	One verdict end to end — worked example for humans
`GET /quote`	free	Price, asset, network, pay-to wallet
`GET /.well-known/x402`	free	Machine-readable service manifest
`GET /skill.md`	free	Documentation written for agents
`GET /llms.txt`	free	Compact agent index
`GET /health`	free	Liveness

Also discoverable via the x402 Bazaar discovery extension embedded in the 402 challenge itself, and listed on Coinbase's Agent Bazaar (resource 21729). Source code: github.com/QuincyGB/token-verdict (public source — the scoring engine is deterministic and fully inspectable, and the test suite ships with it).

Honest limits: Token Verdict reads market structure. It does not simulate the token contract for honeypots or measure holder concentration — those need a paid indexer, and they are on the roadmap. The verdict says what the market looks like, not what the contract does. Market data, not financial advice.