YourAITools

Developer Tools & Infrastructure APIs on Arbitrum

6 listings in Developer Tools & Infrastructure accept payment on Arbitrum, all of them pay-per-call over x402. Sorted A to Z by name; paid placement never changes this order.

We check 6 of these 6 listings every day without paying. On the latest check 6 were up and 6 answered with a valid x402 payment request; paid calls we measured start at $0.001 per call (median $0.002). Status data as of Nov 10, 2026, 7:31 AM ET.

ToolProtocolNetworksTokensPrice / callVerified
402rpcx402Base, Polygon, ArbitrumUSDC$0.0012026-10-26
Convert.Gurux402Base, Solana, PolygonUSDC$0.0022026-10-22
corpusAIx402Base, Polygon, ArbitrumUSDC$0.05–$32026-10-22
ip402.xyzx402Base, Solana, PolygonUSDC$0.012026-10-22
NodeFlarex402Base, Polygon, ArbitrumUSDC$0.0012026-10-22
Tanodx402Base, Solana, PolygonUSDCVaries, see provider2026-10-22

From our listing data (updated 2026-11-09). Networks and tokens are as each service lists them; not every token is offered on every network. Prices are listed prices per call; open a listing for the price we saw in its own HTTP 402 reply.

Developer Tools & Infrastructure on other networks

Base (39)Solana (12)Polygon (6)Arc (3)Monad (2)World Chain (1)Optimism (1)Avalanche (1)Ethereum (1)BNB Chain (1)

Other categories on Arbitrum

Trust, Security & VerificationOther Data APIsAgent Marketplaces & Directories

More: all developer tools & infrastructure listings · developer tools & infrastructure price index · multi-chain x402 APIs

Questions

How many developer tools & infrastructure apis accept payment on Arbitrum?
6 listings in our directory (data updated 2026-11-09): 402rpc, Convert.Guru, corpusAI, ip402.xyz and 2 more. The table lists all of them A to Z.
Which tokens do these Arbitrum APIs accept?
Across these listings: USDC (6). Tokens are as each service lists them, and a service may offer a token on some networks only.
Do they accept other networks too?
6 of 6 also accept Base. 6 accept three or more networks; see the multi-chain list for those.
How does an agent pay one of these APIs on Arbitrum?
Over x402: the API answers an unpaid request with HTTP 402 and its payment terms (price, token, networks). The agent signs a payment on Arbitrum and repeats the request with the payment attached. No account or API key is needed.

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