# Services from cyre.dev on Zero

> cyre.dev serves 33 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/cyre.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cyre.dev/health.json

## Services

- [CYRE Guardian Token Scan](https://www.zero.xyz/c/cyre-guardian-token-scan-33b55e2e/llms.txt): $0.01/call via x402. Scans a Solana token mint address for mint/freeze authority risks, holder concentration, and supply facts, returning a risk score and pattern signals.
- [CYRE Guardian Mintalike](https://www.zero.xyz/c/cyre-guardian-mintalike-97619e1f/llms.txt): $0.002/call via x402. Checks whether a mint address or ticker symbol looks suspiciously similar to known tokens via near-edit distance, truncation, or symbol clash patterns
- [CYRE Guardian Intent Preflight](https://www.zero.xyz/c/cyre-guardian-intent-preflight-3f1adf10/llms.txt): $0.01/call via x402. Grades Solana wallet addresses, mint authorities, and program IDs before a transaction is signed, returning explainable risk signals and a risk score — not a verdict.
- [CYRE Guardian Lookalike Detector](https://www.zero.xyz/c/cyre-guardian-lookalike-detector-16dd90bc/llms.txt): $0.002/call via x402. Checks whether a destination crypto address looks suspiciously similar to known contacts by detecting prefix/suffix traps, near-edits, and confusable characters before funds are sent
- [CYRE Guardian Passport](https://www.zero.xyz/c/cyre-guardian-passport-f04862ca/llms.txt): $0.005/call via x402. Issues a signed, expiring Ed25519-attested risk passport for a Solana address, including a 0-100 risk score, explainable signals, and a verifiable token presentable to counterparties.
- [CYRE Guardian Address Risk Profile](https://www.zero.xyz/c/cyre-guardian-address-risk-profile-5fb5ff9e/llms.txt): $0.005/call via x402. Returns an explainable on-chain risk score and detailed signal breakdown for a given Solana wallet or program address
- [CYRE Guardian Pay-Route Oracle](https://www.zero.xyz/c/cyre-guardian-pay-route-oracle-abdda67f/llms.txt): $0.002/call via x402. Grades an x402 payment route (payTo address, amount, resource URL, and facilitator) for hygiene patterns before an agent commits to paying
- [CYRE Guardian – Solana Program Novelty & Age Pattern Brief](https://www.zero.xyz/c/cyre-guardian-solana-program-novelty-age-pattern-brief-df8d871f/llms.txt): $0.01/call via x402. Returns novelty and age pattern signals for a Solana program ID, with optional wallet context to assess behavior before first interaction
- [CYRE Guardian Decision Receipt](https://www.zero.xyz/c/cyre-guardian-decision-receipt-6cae87f6/llms.txt): $0.005/call via x402. Seals an intent hash, observed signals, and taken action into a cryptographically signed audit receipt for later verification
- [CYRE Guardian Settlement Caution](https://www.zero.xyz/c/cyre-guardian-settlement-caution-f7b1086a/llms.txt): $0.002/call via x402. Returns a pattern brief and withhold-style risk band for a proposed settlement, given a payTo address, amount, and optional resource URL — to help agents pause before paying.
- [CYRE Guardian Lockbox Match](https://www.zero.xyz/c/cyre-guardian-lockbox-match-e7275841/llms.txt): $0.001/call via x402. Checks a proposed payment against a sealed pre-pay intent lockbox to detect bait-and-switch attacks by matching intentHash and optional pins
- [CYRE Guardian Spend Policy Token](https://www.zero.xyz/c/cyre-guardian-spend-policy-token-6816b2b8/llms.txt): $0.002/call via x402. Generates a signed policy token that seals max spend limits, allowed/denied hosts, networks, and a risk ceiling into a portable enforcement artifact for agent middleware.
- [CYRE Guardian Policy Check](https://www.zero.xyz/c/cyre-guardian-policy-check-c24cd633/llms.txt): $0.001/call via x402. Tests a proposed payment (amount, host, network, risk) against a sealed spend-policy token and returns an ok/fail verdict with pattern-based reasons
- [CYRE Guardian Session Ticket Validator](https://www.zero.xyz/c/cyre-guardian-session-ticket-validator-218f3581/llms.txt): $0.002/call via x402. Validates a Guardian session token (Passport or Decision Receipt) by checking its signature, expiry, max age, optional address match, and risk ceiling before an agent proceeds.
- [CYRE Guardian Bazaar Scan](https://www.zero.xyz/c/cyre-guardian-bazaar-scan-0c9197e2/llms.txt): $0.003/call via x402. Probes a resource URL and forensics its x402 payment offer to grade the payTo address before an agent pays a new Agentic Market skill
- [CYRE Guardian Escrow Brief](https://www.zero.xyz/c/cyre-guardian-escrow-brief-88a9de76/llms.txt): $0.005/call via x402. Grades both sides of a proposed escrow (payToA and payToB addresses on Base or Solana) plus amount hygiene before an agent releases escrow funds
- [CYRE Guardian Host Hygiene Check](https://www.zero.xyz/c/cyre-guardian-host-hygiene-check-3de4a561/llms.txt): $0.002/call via x402. Evaluates a URL's host for hygiene signals (HTTPS, IP-based host, TLD shape, self-pay patterns) before an agent pays a resource URL
- [CYRE Guardian Counterparty Alerts](https://www.zero.xyz/c/cyre-guardian-counterparty-alerts-a99688da/llms.txt): $0.015/call via x402. Poll up to 10 blockchain addresses and return only those flagging HIGH risk, dormant-to-active, or burst transaction patterns on Base/EVM chains.
- [CYRE Guardian Settlement Batch](https://www.zero.xyz/c/cyre-guardian-settlement-batch-aeb03f52/llms.txt): $0.02/call via x402. Grade a payer address and up to 10 payout addresses in one call, returning risk pattern scores ranked by score gap versus the payer
- [CYRE Guardian Handshake](https://www.zero.xyz/c/cyre-guardian-handshake-ad5ae19b/llms.txt): $0.01/call via x402. Compares two Solana addresses or Guardian Passports and returns a compatibility brief with score delta, risk mismatch, and overlapping behavioral patterns.
- [CYRE Guardian Pulse](https://www.zero.xyz/c/cyre-guardian-pulse-0f0d5114/llms.txt): $0.005/call via x402. Polls up to 10 Solana wallet addresses and returns only those flagging risk, dormancy, or burst patterns — silent wallets are filtered out.
- [CYRE Guardian Passport Delta](https://www.zero.xyz/c/cyre-guardian-passport-delta-e33763bc/llms.txt): $0.01/call via x402. Re-attests a wallet against a prior Guardian Passport token and returns score drift, risk-level flips, and signal changes since the last attestation.
- [CYRE Guardian Circuit Breaker Check](https://www.zero.xyz/c/cyre-guardian-circuit-breaker-check-28233518/llms.txt): $0.001/call via x402. Validates a circuit token's freshness and checks embedded spend policy before an agent executes a payment, returning an admit or deny decision.
- [CYRE Guardian Intent Seal & Receipt Matcher](https://www.zero.xyz/c/cyre-guardian-intent-seal-receipt-matcher-13413b37/llms.txt): $0.002/call via x402. Verifies a pre-committed intent hash against a receipt to detect bait-and-switch attacks before or after paying/signing
- [CYRE Guardian Circuit Breaker Seal](https://www.zero.xyz/c/cyre-guardian-circuit-breaker-seal-fddffebe/llms.txt): $0.003/call via x402. Seals a signed circuit-breaker token that binds an agent's heartbeat interval and spend rails, enabling downstream heartbeat and pre-payment enforcement checks.
- [CYRE Guardian Intent Exchange Post](https://www.zero.xyz/c/cyre-guardian-intent-exchange-post-7ffa8cb0/llms.txt): $0.003/call via x402. Seals a budgeted agent need into a signed intent token that can be gossiped to matchers via the exchange network
- [CYRE Guardian Intent Exchange Match](https://www.zero.xyz/c/cyre-guardian-intent-exchange-match-065c4b34/llms.txt): $0.002/call via x402. Compares a sealed intent token against a vendor quote (URL, payTo, amount) and returns a fit brief plus recommended next skills
- [CYRE Guardian Pulse Stream Subscribe](https://www.zero.xyz/c/cyre-guardian-pulse-stream-subscribe-f77519fc/llms.txt): $0.003/call via x402. Seals up to 10 counterparty wallet/address watches into a signed subscription token for streaming risk-event monitoring
- [CYRE Guardian Gate](https://www.zero.xyz/c/cyre-guardian-gate-d4deb4dd/llms.txt): $0.001/call via x402. Grades an x402 payTo counterparty address and spend shape before an agent makes a payment, returning risk patterns to inform go/no-go decisions.
- [CYRE Guardian Intent Lockbox](https://www.zero.xyz/c/cyre-guardian-intent-lockbox-a2c4a7b3/llms.txt): $0.002/call via x402. Seals an intentHash pre-payment so any party can later cryptographically prove the hash was committed before settlement occurred.
- [CYRE Guardian Circuit Breaker Heartbeat](https://www.zero.xyz/c/cyre-guardian-circuit-breaker-heartbeat-28f3d47a/llms.txt): $0.001/call via x402. Sends a heartbeat ping to prove an agent loop is alive and returns a rotated circuit token with a fresh lastBeatAt timestamp
- [CYRE Guardian Pulse Stream Events](https://www.zero.xyz/c/cyre-guardian-pulse-stream-events-1a966f78/llms.txt): $0.005/call via x402. Polls a sealed Pulse Stream subscription token, emits only changed counterparty watch events since the last fingerprint, and returns a rotated subscription token.
- [CYRE Guardian Oracle Pulse](https://www.zero.xyz/c/cyre-guardian-oracle-pulse-dac65f63/llms.txt): $0.01/call via x402. Detects RWA oracle feed anomalies (stale data, price spikes, divergence) on NestUSD Lazer seeds and returns pattern signals without issuing verdicts

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)
