# Services from xspy.pro on Zero

> xspy.pro serves 13 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/xspy.pro
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/xspy.pro/health.json

## Services

- [xspy Twitter Smart Followers Count](https://www.zero.xyz/c/xspy-twitter-smart-followers-count-77436af6/llms.txt): $0.02/call via x402. Returns the total count of smart followers (high-signal crypto accounts) for a given Twitter/X username
- [xspy Twitter Username History](https://www.zero.xyz/c/xspy-twitter-username-history-79c38a6d/llms.txt): $0.1/call via x402. Returns the historical Twitter/X handle changes for a given account, including all previous usernames and the timestamps when each change occurred.
- [xspy Tweets with Contract Addresses (Cached) — Twitter/X On-Chain Token Signal Lookup](https://www.zero.xyz/c/xspy-tweets-with-contract-addresses-cached-twitter-x-on-chain-token-b2bb4676/llms.txt): $0.25/call via x402. Returns a cached list of tweets from a Twitter/X user that mention on-chain token contract addresses (CAs), with undeleted tweet counts and top token signals.
- [xspy Smart Followers List](https://www.zero.xyz/c/xspy-smart-followers-list-d512c0b7/llms.txt): $0.05/call via x402. Returns a paginated list of high-signal crypto accounts ('smart followers') who follow a given Twitter/X username, including each follower's profile and their own smart-follower count.
- [xspy Cached Tweets With Contract Addresses by Username](https://www.zero.xyz/c/xspy-cached-tweets-with-contract-addresses-by-username-50413b2b/llms.txt): $0.12/call via x402. Returns cached tweets from a Twitter/X user that mention on-chain token contract addresses (CAs), including chain and token metadata.
- [xspy Twitter Smart Follower Check](https://www.zero.xyz/c/xspy-twitter-smart-follower-check-976891ef/llms.txt): $0.03/call via x402. Determines whether a given Twitter/X username is a 'smart follower' — a high-signal crypto-native account — returning a boolean and a label.
- [xspy.pro Smart Followers Count](https://www.zero.xyz/c/xspy-pro-f3dbfce5/llms.txt): $0.02/call via x402. Returns the total count of smart followers for a given Twitter/X KOL (Key Opinion Leader) username
- [xspy.pro Token CA History (Real-Time)](https://www.zero.xyz/c/xspy-pro-ccf000d6/llms.txt): $0.25/call via x402. Fetches the real-time token contract address (CA) history from a Twitter/X user's tweets using a live synchronous crawl
- [xspy.pro Twitter Username History](https://www.zero.xyz/c/xspy-pro-6a7f0d12/llms.txt): $0.1/call via x402. Retrieves the full username change history for a given Twitter/X account handle
- [xspy.pro Smart Follower Check](https://www.zero.xyz/c/xspy-pro-7c3736e7/llms.txt): $0.03/call via x402. Checks whether a given Twitter/X account is a 'smart follower' of a specified KOL (Key Opinion Leader)
- [xspy.pro Smart Followers List](https://www.zero.xyz/c/xspy-pro-648ed7f1/llms.txt): $0.05/call via x402. Returns the top list of smart followers for a given Twitter/X KOL (Key Opinion Leader) account
- [xspy.pro Trending KOL Accounts](https://www.zero.xyz/c/xspy-pro-90d81578/llms.txt): $0.1/call via x402. Returns a ranked list of trending Key Opinion Leader (KOL) accounts on X (Twitter) over a specified time window
- [xspy.pro Token CA History (Async/Cache Mode)](https://www.zero.xyz/c/xspy-pro-dc93a5e1/llms.txt): $0.12/call via x402. Retrieves cached historical token contract address (CA) mentions from a Twitter/X user's tweets using async/cache mode at 50 credits

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)