{"uid":"cap_R4Uk7lW9RTvlf0SDVVGuj","slug":"gateway-spraay-app-85473dd9","name":"Spraay Gateway RPC Chain Listing","description":"List supported RPC chains and methods.","url":"https://gateway.spraay.app/api/v1/rpc/chains","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"chains":{"type":"array"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"chains":[{"key":"base","name":"Base","status":"live","chainId":8453,"provider":"alchemy"},{"key":"ethereum","name":"Ethereum","status":"live","chainId":1,"provider":"alchemy"},{"key":"arbitrum","name":"Arbitrum One","status":"live","chainId":42161,"provider":"alchemy"},{"key":"polygon","name":"Polygon","status":"live","chainId":137,"provider":"alchemy"},{"key":"optimism","name":"Optimism","status":"live","chainId":10,"provider":"alchemy"},{"key":"avalanche","name":"Avalanche C-Chain","status":"live","chainId":43114,"provider":"public"},{"key":"bsc","name":"BNB Chain","status":"live","chainId":56,"provider":"public"}],"_gateway":{"live":true,"version":"2.9.0","provider":"spraay-x402"},"timestamp":"2026-06-18T05:13:09.053Z","allowedMethods":["eth_blockNumber","eth_getBalance","eth_getTransactionReceipt","eth_getTransactionByHash","eth_call","eth_estimateGas","eth_gasPrice","eth_maxPriorityFeePerGas","eth_feeHistory","eth_getCode","eth_getStorageAt","eth_getLogs","eth_getBlockByNumber","eth_getBlockByHash","eth_chainId","eth_getTransactionCount","net_version"]}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FRNCG9zQ1tj_L5DGtIReO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of all supported RPC blockchain networks and their available methods on the Spraay gateway.","exampleAgentPrompt":"What blockchain networks and RPC methods are supported on the Spraay gateway? I want to know which chains I can route RPC calls through.","exampleUseCases":null,"resultDescription":"An array of supported blockchain chains, each with their chain identifiers and the RPC methods available for that chain on the Spraay gateway.","failureModes":["Payment failure (402): x402 micropayment not attached or insufficient; returns 402 status","Gateway unavailable (503): upstream infrastructure down","Empty chains array: no chains currently configured or enabled"],"whenToPreferThis":"Use this endpoint when you need to discover which blockchain networks and RPC methods are available before routing RPC calls through the Spraay gateway. Prefer this over hardcoding chain lists or using other RPC discovery mechanisms when already integrated with Spraay's x402-based gateway.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:57:13.656Z","isFirstParty":false}