# Services from api.signalbound.art on Zero

> api.signalbound.art serves 7 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/api.signalbound.art
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.signalbound.art/health.json

## Services

- [Signalbound Drop Radar](https://www.zero.xyz/c/signalbound-drop-radar-94ab180a/llms.txt): $0.01/call via x402. Scans OpenSea NFT drop surfaces (featured, upcoming, recently minted) for active and upcoming drops, with optional wallet eligibility checks, gated by a Signalbound token NFT.
- [Signalbound Intel API](https://www.zero.xyz/c/signalbound-intel-api-d64554f2/llms.txt): $0.01/call via x402. Returns reveal-aware metadata, rarity tier, traits, and agent-readable intelligence for a Signalbound NFT token by ID.
- [Signalbound B20 Radar](https://www.zero.xyz/c/signalbound-b20-radar-16b90d13/llms.txt): $0.01/call via x402. Scans Base blockchain for recent B20 token deployments and returns live market metrics, risk assessments, and token metadata, gated by Signalbound NFT ownership.
- [Signalbound Portfolio Endpoint](https://www.zero.xyz/c/signalbound-portfolio-endpoint-c937fea0/llms.txt): $0.01/call via x402. Returns an NFT portfolio summary for a wallet, gated by Signalbound token ownership, including holdings, offers received, and estimated USD value.
- [Signalbound Robinhood Radar — Token Activity Scanner](https://www.zero.xyz/c/signalbound-robinhood-radar-token-activity-scanner-ddcfa741/llms.txt): $0.01/call via x402. Scans the most active tokens on Robinhood Chain (or inspects a specific token) and returns liquidity, volume, price, and risk data, gated by ERC-7496 Elite-clearance NFT ownership.
- [Signalbound Allowlist Scan](https://www.zero.xyz/c/signalbound-allowlist-scan-494d0d09/llms.txt): $0.01/call via x402. Scans NFT drop feeds (OpenSea featured, upcoming, recently minted) and returns which drops a given wallet is eligible for, gated by Signalbound token ownership.
- [Signalbound Offer Radar](https://www.zero.xyz/c/signalbound-offer-radar-7f0b51df/llms.txt): $0.01/call via x402. Scans OpenSea collections for offers and returns gated deal intelligence, accessible only to holders of a specific Signalbound NFT token.

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)