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When you call an AI API, you are trusting the provider on faith. You ask for GPT 5.5, you get billed for GPT 5.5, and you have no way to check what actually ran on the GPU. Token counts and output

tl;dr I built an end-to-end x402 demo on Arbitrum One using AWS CloudFront + Lambda@Edge on the provider side and the CDP facilitator for settlement. The repo is at github.com/hummusonrails/arbitru...

tl;dr Agentic payments are not a nice to have anymore, they are becoming a requirement. Arbitrum provides the execution layer to make this reliable and performant. x402 is just the beginning of what

Your API takes inputs and returns outputs. The logic in between? Nobody outside your team can verify it. Regulators read the documentation you wrote about it. Partners call your endpoint and trust the

Anthropic just changed how fast your 5-hour session limits burn during peak hours. No warning. No opt-in. Just a tweet from Thariq and a wave of canceled subscriptions. One reply from