Airstack spam filters

2nd big Airstack 🚀 launch at ETH Global NYC: "known sender" APIs In milliseconds devs can now find out: - If A follows B on Lens or Farcaster - If A has sent B tokens we’re also providing a bunch of bad actor/ spam detector APIs. https://docs.airstack.xyz/airstack-docs-and-faqs/guides/has-xmtp/spam-filters