{"uid":"cap_lk3a6dl_iDwIbToQnlGaj","slug":"cambrian-network-evm-supported-chains-b11489b5","name":"Cambrian Network EVM Supported Chains","description":"Supported Chains","url":"https://x402.cambrian.network/api/v1/evm/chains?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","additionalProperties":true}}},"output":{"type":"object","properties":{"example":{"type":"array"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZUNBZ-0JqKhFF2eC-baOB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the list of EVM-compatible blockchain networks supported by the Cambrian x402 payment infrastructure","exampleAgentPrompt":"What EVM blockchains does Cambrian's x402 network support for payments? I want to know all the chains I can use.","exampleUseCases":[{"title":"Pre-flight chain compatibility check","prompt":"Before I set up a payment flow using Cambrian x402, can you check which EVM chains are supported so I know if Base or Polygon is an option?"},{"title":"Onboarding to Cambrian x402","prompt":"I'm integrating with Cambrian's x402 API and need to know all the EVM-compatible networks I can use — can you pull up the full list of supported chains?"},{"title":"Debugging unsupported chain error","prompt":"My transaction is failing on Cambrian x402 — can you fetch the list of supported EVM chains so I can check if the network I'm using is actually compatible?"}],"resultDescription":"An array of EVM-compatible blockchain networks supported by the Cambrian x402 infrastructure, likely including chain IDs, network names, and possibly additional metadata about each supported chain.","failureModes":["Network or service unavailability returns an error response","Payment of $0.05 USDC not completed results in 402 Payment Required response","Malformed query parameters may return a 400 error","Empty or null result if no chains are currently configured"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover which EVM-compatible chains are available on Cambrian's x402 network before making payments or checking token prices. Prefer this over hardcoding chain IDs, as the list may change over time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:43:47.079Z","isFirstParty":false,"canonicalSlug":"cambrian-network-evm-supported-chains-b11489b5"}