Tab @TryTabAI

Post-paid billing for AI agents. Agents use services now. Settle later. Built onchain | Open source. trytabai.vercel.app Joined August 2026

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Tab @TryTabAI

5 days ago

@kidtsang @thecorgod1234 Agreed on efficiency, and that's the design: the calls never touch Ethereum. Each delivery is one small record on Creditcoin, and money moves once per settlement window, not per call. Settlement can be on any chain Creditcoin attests to, so an attested L2 drops in unchanged.

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Tab @TryTabAI

5 days ago

@Kimberly0j8x @thecorgod1234 Sellers, yes. Register once, set prices, deliver first, and the charge is recorded on chain. Tab can't force anyone to pay, what it does is cap what a buyer may owe you to what they've already provably paid. A stranger starts at zero credit. A default zeroes their credit.

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Tab @TryTabAI

a week ago

2/ Also today: the curation timelock we queued 48h ago executed on chain. Queue → wait → apply. No admin key that can skip the wait. Slow on purpose. That's the point of a timelock.

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Tab @TryTabAI

a week ago

The SDK is live on npm. npm i @tabai/sdk One line of config and your service bills agents post-paid. They get the response first. You get settled after, backed by a Bond. No prepay. No withheld responses. No trust required.

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Tab @TryTabAI

2 weeks ago

2/ Applied → Confirmed. Applied → Reversed. Both exercised on chain, not just in tests. If your credit system has never survived a default, you don't actually know that it works.

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Tab @TryTabAI

2 weeks ago

Most payment systems only test the happy path. Yesterday we ran the one nobody tests: the agent didn't pay. The clearing expired. The Bond covered it. The Service was made whole automatically, on chain. Every branch of the state machine has now run for real.

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Tab @TryTabAI

2 weeks ago

Tab is open source. We're building the SDK and verification tooling around the protocol now. If you're building AI agents that need to pay for APIs, compute, data, tools, or other services: What would you want them to be able to buy on credit? Reply, We’re genuinely curious.

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Tab @TryTabAI

2 weeks ago

Tab is built on @Creditcoin, with settlement against Eth. The system has been exercised beyond the happy path, including real failures that forced changes to the contracts. We're building this as infrastructure for agents that need to buy, consume, and transact autonomously.

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Tab @TryTabAI

2 weeks ago

AI agents are expected to pay before they get access. We built the opposite. Tab lets agents consume a service first, keep working, and settle later. Post-paid billing + a credit facility, enforced onchain.