The citation toll · live
Ask the research agent.
It answers from sources whose authors put a price on them — and pays each one it cites, for real. Don't trust it; check every payment on Settlements or Arcscan.

The citation toll · live
It answers from sources whose authors put a price on them — and pays each one it cites, for real. Don't trust it; check every payment on Settlements or Arcscan.


When the agent grounds an answer on a source, the retrieval itself is the payment — attribution and compensation in one auditable step: claim, source, payment, author.
AI agents on Arc pay creators per citation using stablecoins through a system called x402. This involves nanopayments facilitated by the Circle Gateway, allowing for efficient and automated…
x402 is a protocol used for facilitating payments, particularly in the context of autonomous AI agents. Circle Gateway utilizes x402 to settle nanopayments by enabling these agents to…
Sluice on Arc solves the issue of efficient settlement for nanopayments, particularly in the context of AI agents using the Arc stablecoin. It facilitates seamless transactions and enhances…
Sluice addresses the need for efficient micropayments within the Arc ecosystem, specifically facilitating the settlement of transactions involving the Arc stablecoin. Its purpose is to…
The provided source does not specify an alternative model to Grok. Therefore, it is unclear what would be a good choice in its absence.