# Services from pay.lnpay.ai on Zero

> pay.lnpay.ai serves 21 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/pay.lnpay.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pay.lnpay.ai/health.json

## Services

- [AIsa Payment Gateway - Twitter User Relationship Check](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-relationship-check-309bb07c/llms.txt): $0.0018/call via x402. Checks whether a source Twitter/X user is following or is followed by a target Twitter/X user.
- [AIsa Payment Gateway - Twitter Tweet Quotes Fetcher](https://www.zero.xyz/c/aisa-payment-gateway-twitter-tweet-quotes-fetcher-689a71eb/llms.txt): $0.03/call via x402. Fetches paginated quotes (retweets with comments) for a given tweet ID, returning 20 quotes per page ordered by quote time descending
- [AIsa Payment Gateway - Tweet Replies Fetcher](https://www.zero.xyz/c/aisa-payment-gateway-tweet-replies-fetcher-f82a9d0f/llms.txt): $0.03/call via x402. Retrieves paginated replies to a specific tweet by tweet ID, ordered by reply time descending
- [AIsa Payment Gateway - Tweet Retweeters Lookup](https://www.zero.xyz/c/aisa-payment-gateway-tweet-retweeters-lookup-5d4dcdf6/llms.txt): $0.18/call via x402. Retrieves a paginated list of users who retweeted a specific tweet, ordered by retweet time descending, returning ~100 retweeters per page.
- [AIsa Payment Gateway - Tweet Thread Context](https://www.zero.xyz/c/aisa-payment-gateway-tweet-thread-context-bf2bd13d/llms.txt): $0.015/call via x402. Retrieves the full thread context of a tweet, including ancestor and descendant replies, given any tweet ID in the thread.
- [AIsa Payment Gateway - Twitter User Tweets](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-tweets-c2b89192/llms.txt): $0.03/call via x402. Retrieve paginated tweets posted by a specific Twitter/X user, sorted by creation date
- [AIsa Payment Gateway - Batch Twitter User Info by IDs](https://www.zero.xyz/c/aisa-payment-gateway-batch-twitter-user-info-by-ids-eddcff22/llms.txt): $0.0018/call via x402. Fetches profile information for multiple Twitter/X users in bulk by providing a comma-separated list of user IDs
- [AIsa Payment Gateway - Twitter Advanced Search](https://www.zero.xyz/c/aisa-payment-gateway-twitter-advanced-search-6ab344e6/llms.txt): $0.03/call via x402. Performs advanced search on Twitter/X with pagination, returning up to 20 tweets per page filtered by query and sort type.
- [AIsa Payment Gateway - Twitter User Mentions Lookup](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-mentions-lookup-196a2434/llms.txt): $0.03/call via x402. Fetches paginated tweet mentions (20 per page) for a given Twitter/X user screen name, ordered by mention time descending
- [AIsa Payment Gateway - Get Article by Tweet ID](https://www.zero.xyz/c/aisa-payment-gateway-get-article-by-tweet-id-bf37ab90/llms.txt): $0.0015/call via x402. Retrieves a full article associated with a given Twitter/X tweet ID, returning enriched article content derived from that tweet.
- [AIsa Payment Gateway - Get Tweets by ID](https://www.zero.xyz/c/aisa-payment-gateway-get-tweets-by-id-05d97b64/llms.txt): $0.0015/call via x402. Fetches full tweet data for one or more tweet IDs supplied as a comma-separated string
- [AIsa Payment Gateway - Twitter User Followings](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-followings-19e69187/llms.txt): $0.3/call via x402. Retrieves a paginated list of Twitter accounts that a given user is following, sorted by most recent follow date first.
- [AIsa Payment Gateway - Get Verified Followers](https://www.zero.xyz/c/aisa-payment-gateway-get-verified-followers-f30df7f6/llms.txt): $0.06/call via x402. Retrieves a paginated list of a Twitter/X user's verified followers in reverse chronological order, returning 20 per page
- [AIsa Payment Gateway - Twitter User Followers](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-followers-81acea9c/llms.txt): $0.3/call via x402. Retrieves a paginated list of a Twitter/X user's followers in reverse chronological order (newest followers first), returning up to 200 followers per page.
- [AIsa Payment Gateway - Twitter Batch User Info](https://www.zero.xyz/c/aisa-payment-gateway-twitter-batch-user-info-a56561ad/llms.txt): $0.0018/call via x402. Fetches batch profile information for multiple Twitter/X users in a single API call
- [AIsa Payment Gateway - Twitter User Search](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-search-6c20c1b7/llms.txt): $0.036/call via x402. Search for Twitter/X users by keyword and return matching user profiles
- [AIsa Payment Gateway - Twitter User Followers](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-followers-3107f5bb/llms.txt): $0.3/call via x402. Retrieves a paginated list of a Twitter user's followers in reverse chronological order (newest first), returning up to 200 followers per page.
- [AIsa Payment Gateway - Twitter User Info by Screen Name](https://www.zero.xyz/c/aisa-payment-gateway-twitter-user-info-by-screen-name-3e4f33db/llms.txt): $0.0018/call via x402. Retrieves public profile information for a Twitter/X user given their screen name
- [LNPay Protected Resource Access](https://www.zero.xyz/c/pay-lnpay-ai-a9755413/llms.txt): $0.01/call via x402. Fetches a paywalled protected resource via x402 micropayment, returning its contents after a $0.01 USDC payment is made.
- [LNPay Protected Resource Access](https://www.zero.xyz/c/pay-lnpay-ai-10b3cfee/llms.txt): $0.01/call via x402. Retrieves a pay-per-access protected resource via x402 micropayment protocol for $0.01 USDC per call
- [LNPay Safe Data Access](https://www.zero.xyz/c/pay-lnpay-ai-33c53774/llms.txt): $0.001/call via x402. Provides access to a protected 'safe' data resource via a pay-per-call x402 micropayment-gated endpoint

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)