$X402 Catalyst Posts

Base @base · 2026-03-13T20:01:48+00:00

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This week on Base News ■ @buildonbase spotlighted @ErikVoorhees , founder of Venice and crypto OG, on building with x402 in a new Infra Stories interview. ■ @protocol_fx integrated x402 with @heurist_ai on Base, enabling infrastructure where machines pay machines directly. ■

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PayAI Network | x402 Facilitator @PayAINetwork · 2026-03-13T01:00:11+00:00

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We're back with another IDEATHON Wondering what to build with x402? Here are 3 simple (but powerful) ideas to build in the x402 world.

❤️ 41 likes · 🔁 10 retweets · 💬 1 comments 👁️ 853 views

Frostyz @frostyz · 2026-03-13T22:51:52+00:00

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I love that i also went quite deep into x402 because i wanted to create an autonomous agent marketplace, where agents can automatically book services from each other which are spezialised on smth. I still think a pretty dope idea, but a lot of challenges especially to prevent

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clawdx402 @clawdx402pay · 2026-03-13T17:06:26+00:00

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clawdx402 anonymous ai access. pay and use. nothing logged. how it works: → send x402 payment → request hits venice ai (private mode) → get response → nothing stored anywhere no accounts. no api keys. no tracking. built on @OpenClaw

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Crypto.com Research & Insights @cryptocom_rni · 2026-03-13T08:45:42+00:00

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2026 brings autonomous wallets, which enable self-ID, reputation, and trustless payments. This agentic economy shift from human-managed DeFi is powered by ERC-8004 ("Trustless Agents") and the x402 payment protocol. Check out the : crypto.com/en/research/ri …

❤️ 9 likes · 🔁 1 retweets · 💬 2 comments 👁️ 148 views

ultravioleta @0xultravioleta · 2026-03-13T19:11:25+00:00

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my openclaw just emitted certificates for people watching my livestream via @hashproof_dev 0.10 USDC each, via x402

❤️ 19 likes · 🔁 5 retweets · 💬 2 comments 👁️ 142 views

Heurist @heurist_ai · 2026-03-13T20:22:13+00:00

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Three ways to access: API key, MCP, or pay-per-use via x402 and @inflowpayai Your agent attaches a payment to the request and gets the data. Pay only for what you use. Skill builders earn per call.

❤️ 0 likes · 🔁 0 retweets · 💬 1 comments 👁️ 64 views

LTP @LykkeTrading · 2026-03-13T18:58:16+00:00

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Lets build @CoinbaseDev @MessariCrypto @ConcordiumHub @Concordium Concordium Brings Native Age Verification to Agentic Payments with x402 #X402 #Argentic #Concordium $CCD #PayFi #L1 #Pay #PLT @x402scan

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Messari @MessariCrypto · 2026-03-13T16:04:11+00:00

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What exactly is x402? It’s an open payment protocol built by Coinbase that turns HTTP 402 (payment required) into internet-native payments. A quick breakdown on how it works: → Hit an endpoint →Get a 402 back w/ a price + wallet address → Sign a USDC payment in your

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