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the ampersend Marketplace we launched earlier today catalogs 40+ pay-per-use APIs that agents can call directly from their wallet. here's what some of them do and where they fit in an agent loop. the call pattern is the same across every service. the agent sends a request, x402 handles settlement in solana:EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v on @base, and the response comes back in the same call. the agent never touches an API key or account credential. @coingecko exposes token prices, liquidity, and market data at a flat $0.01 usdc per request. an agent that needs a price feed inside its loop can pull live data without preregistering anywhere. @Quicknode runs wallet-authenticated blockchain endpoints across 130+ networks. agents pay per rpc request via x402 with three patterns available: per-request, nanopayment, and credit. useful for any agent doing onchain reads or writes that needs broad chain coverage. @zapper_fi covers multi-chain wallet portfolios, token rankings, nft data, defi balances, and social identity across ens, farcaster, lens, and basenames. 17 x402 endpoints in total, so agents building a portfolio view or doing wallet diligence can pull all of it from one provider. @zerion is tuned for portfolio tracking specifically, with 19 x402 endpoints under /v1/wallets/{address}/* covering positions, transaction history, nft holdings, and pnl across evm chains. agents reconciling holdings or surfacing pnl pull from these directly. @AlliumLabs brings institutional-grade onchain analytics across 150+ chains. structured token prices, balances, transaction histories, and portfolio data sit on top of raw rpc reads for agents that need analytical depth. @ExaAILabs handles web search and content retrieval for agents. two endpoints with multiple search modes including instant, fast, deep, and deep-reasoning. strong fit for research agents that need live web context inside the loop. @nansen_ai exposes 500m+ labeled wallets, smart money flows, and token screeners pay-per-call. basic tier at $0.01 covers screeners, balances, and pnl, while premium at $0.05 unlocks the rest. every endpoint lists its exact price in $usdc on @base, with x402 handling settlement under the hood. agents pay per call from their own wallet with no subscription in the loop. browse the full catalog:

today we're opening the ampersend marketplace to every agent and every builder. it's a public catalog of pay-per-use apis built for ai agents. an agent browses the services, copies a single prompt, and within seconds it has a wallet, the sdk installed, and is paying per request in $usdc. the entire onboarding loop runs end to end on the agent side. 12+ services launch across crypto data, search, storage, and payments: @coingecko, @nansen_ai, @Quicknode, @AlliumLabs,@zerion, @zapper_fi, @ExaAILabs, @neynarxyz, @pinatacloud, @stripe, and a handful more. every endpoint lists its exact price per call in $usdc on @base. x402 handles all of the settlement under the hood. the rails for agent payments have been shipping for months across the ecosystem. discovery was the missing piece that still needed to land. agents need somewhere to find services they can actually pay for, and sellers need distribution to every agent already running a wallet. the marketplace is the layer that closes that gap for both sides at once. browse the marketplace: