x402 List

x402 Protocol Service Directory

SolSigs ProofGuard

Blockchain

SolSigs ProofGuard provides signed trust scores, payment expectation receipts, fulfillment receipts, and refund-evidence packages for x402-paid AI agent endpoints on Solana mainnet USDC. Evidence modes clearly distinguish SolSigs-instrumented, ProofGuard-probed, and self-attested observations.

Pay from $0.001 per request in USDC on Solana, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 100% 7D 100% 30D 100%
BASE URL https://solsigs.com WEBSITE https://solsigs.com ENDPOINTS 9 NETWORK Solana ASSET USDC MEMBER SINCE 01 Jul 2026 MONITORED SINCE 29 Jun 2026

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
POST /arb Cross-DEX arbitrage scanner v2 with MEV scoring and sandwich detection — profitable trade opportunities with risk analysis $0.01 Solana USDC
POST /dex Solana DEX price data — real-time prices, liquidity, and volume across Jupiter + Birdeye $0.002 Solana USDC
POST /price Batch multi-token pricing — real-time prices, OHLCV candlestick history, and token metadata across Jupiter + Birdeye $0.003 Solana USDC
POST /proofguard/evaluate SolSigs ProofGuard endpoint trust evaluation — route-level trust score, payment expectation receipt, fulfillment receipt, and refund evidence package for paid agent endpoints. 0.003 USDC. $0.003 Solana USDC
POST /rpc Pay-per-call Solana RPC relay — shared Helius endpoint with built-in rate limiting $0.001 Solana USDC
POST /summary AI-powered plain-English market summary — turn raw Solana data into readable insights $0.008 Solana USDC
POST /token-verdict Rug-screen verdict for a Solana token. Composes mint/freeze authority, holder concentration, LP lock, wash-trading and smart-money signals into one GO / CAUTION / NO-GO score with reasons. Built to screen new launches and memecoins for rug risk — established tokens that intentionally keep mint/freeze authority (e.g. USDC, USDT) read NO-GO by design. 0.35 USDC. $0.35 Solana USDC
POST /trust Wallet trust/reputation score — age, DEX history, scam flags, balance signals for counterparty risk $0.003 Solana USDC
POST /wallet Wallet risk scoring and transaction analysis — detect suspicious patterns, wash trading, and rug risks $0.005 Solana USDC
9 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to POST /arb returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i -X POST 'https://solsigs.com/arb'

No 402 response body has been captured for this service yet.

UPTIME

07-01 · uptime 100.0% · 72ms avg07-0107-01
RESPONSE TIME
07-01 · 72ms avg07-01 · 72ms avg07-0107-01
24h UPTIME 100%
UPTIME 24H 100%
AVG RESP 72ms
TOTAL CHECKS 19

RECENT CHECKS

TIME STATUS RESP
● OK 65ms
● OK 85ms
● OK 66ms
● OK 80ms
● OK 60ms
● OK 68ms
● OK 71ms
● OK 86ms
● OK 68ms
● OK 62ms
● OK 81ms
● OK 77ms
● OK 77ms
● OK 72ms
● OK 70ms

EMBED THIS BADGE

Show that SolSigs ProofGuard is monitored on x402-list. Paste this on your site or README, it links back to this live listing.

SolSigs ProofGuard listed on x402-list
// HTML
<a href="https://x402-list.com/services/solsigs-proofguard?utm_source=badge&utm_medium=referral&utm_campaign=embed">
  <img src="https://x402-list.com/badge/solsigs-proofguard.svg" alt="SolSigs ProofGuard listed on x402-list" height="26">
</a>
// Markdown
[![SolSigs ProofGuard on x402-list](https://x402-list.com/badge/solsigs-proofguard.svg)](https://x402-list.com/services/solsigs-proofguard?utm_source=badge&utm_medium=referral&utm_campaign=embed)