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Blockchain Infrastructure
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Empowering Web3 developers with easy-to-use, reliable and scalable blockchain infrastructure

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99.99%

Uptime

300B+

API Responses

131

Networks

Marketplace

Supporting over 131 networks, Including the largest projects in Ethereum, Avalanche, Cosmos, Polkadot and more!

AbstractAbstractAcalaAcalaAjunaAjunaAleph ZeroAleph ZeroAleph Zero TestnetAleph Zero TestnetAltairAltairAnmolAnmolArbitrumArbitrumArbitrum SepoliaArbitrum SepoliaAsset Hub kusamaAsset Hub kusamaAsset Hub PolkadotAsset Hub PolkadotAstarAstarAutomataAutomataAutomata ContextfreeAutomata ContextfreeAvailAvailAvail TuringAvail TuringAvalancheAvalancheBajunBajunBaseBaseBase-SepoliaBase-SepoliaBifrost AsgardBifrost AsgardBifrost KusamaBifrost KusamaBifrost PolkadotBifrost PolkadotBitcoinBitcoinBitcoin TestnetBitcoin TestnetBitgreenBitgreenBittensorBittensorBNB Chain TestnetBNB Chain TestnetBNB Smart ChainBNB Smart ChainBridge Hub KusamaBridge Hub KusamaBridge Hub PolkadotBridge Hub PolkadotBridge Hub WestendBridge Hub WestendCeloCeloCentrifuge ParachainCentrifuge ParachainCloverCloverCollectivesCollectivesCommune AICommune AIComposable FinanceComposable FinanceCompound GatewayCompound GatewayCoretime KusamaCoretime KusamaCoretime PolkadotCoretime PolkadotCrabCrabCrustCrustCrust PolkadotCrust PolkadotAbstractAbstractAcalaAcalaAjunaAjunaAleph ZeroAleph ZeroAleph Zero TestnetAleph Zero TestnetAltairAltairAnmolAnmolArbitrumArbitrumArbitrum SepoliaArbitrum SepoliaAsset Hub kusamaAsset Hub kusamaAsset Hub PolkadotAsset Hub PolkadotAstarAstarAutomataAutomataAutomata ContextfreeAutomata ContextfreeAvailAvailAvail TuringAvail TuringAvalancheAvalancheBajunBajunBaseBaseBase-SepoliaBase-SepoliaBifrost AsgardBifrost AsgardBifrost KusamaBifrost KusamaBifrost PolkadotBifrost PolkadotBitcoinBitcoinBitcoin TestnetBitcoin TestnetBitgreenBitgreenBittensorBittensorBNB Chain TestnetBNB Chain TestnetBNB Smart ChainBNB Smart ChainBridge Hub KusamaBridge Hub KusamaBridge Hub PolkadotBridge Hub PolkadotBridge Hub WestendBridge Hub WestendCeloCeloCentrifuge ParachainCentrifuge ParachainCloverCloverCollectivesCollectivesCommune AICommune AIComposable FinanceComposable FinanceCompound GatewayCompound GatewayCoretime KusamaCoretime KusamaCoretime PolkadotCoretime PolkadotCrabCrabCrustCrustCrust PolkadotCrust Polkadot
DarwiniaDarwiniaDymensionDymensionEdgewareEdgewareEfinityEfinityEncointerEncointerEquilibrium ParachainEquilibrium ParachainEthereumEthereumEvmosEvmosFantomFantomFrequency ParachainFrequency ParachainGnosisGnosisHydraDXHydraDXIntegritee KusamaIntegritee KusamaIntegritee PolkadotIntegritee PolkadotIntegritee-solo-deprecatedIntegritee-solo-deprecatedInterlayInterlayInterlay KintsugiInterlay KintsugiInvArch TinkernetInvArch TinkernetIoTexIoTexKaiaKaiaKapex ParachainKapex ParachainKaruraKaruraKavaKavaKilt MashnetKilt MashnetKilt PeregrineKilt PeregrineKilt Spiritnet-Deprecated-31-AugustKilt Spiritnet-Deprecated-31-AugustkrestkrestKusamaKusamaLitentryLitentryLitmusLitmusMangata XMangata XManta-AtlanticManta-AtlanticMantleMantleMetisMetisMoonbase AlphaMoonbase AlphaMoonbeamMoonbeamMoonriverMoonriverNodle ParachainNodle ParachainNodle ParadisNodle ParadisOKT-ChainOKT-ChainOptimismOptimismOptimism SepoliaOptimism SepoliaOriginTrailOriginTrailParallelParallelDarwiniaDarwiniaDymensionDymensionEdgewareEdgewareEfinityEfinityEncointerEncointerEquilibrium ParachainEquilibrium ParachainEthereumEthereumEvmosEvmosFantomFantomFrequency ParachainFrequency ParachainGnosisGnosisHydraDXHydraDXIntegritee KusamaIntegritee KusamaIntegritee PolkadotIntegritee PolkadotIntegritee-solo-deprecatedIntegritee-solo-deprecatedInterlayInterlayInterlay KintsugiInterlay KintsugiInvArch TinkernetInvArch TinkernetIoTexIoTexKaiaKaiaKapex ParachainKapex ParachainKaruraKaruraKavaKavaKilt MashnetKilt MashnetKilt PeregrineKilt PeregrineKilt Spiritnet-Deprecated-31-AugustKilt Spiritnet-Deprecated-31-AugustkrestkrestKusamaKusamaLitentryLitentryLitmusLitmusMangata XMangata XManta-AtlanticManta-AtlanticMantleMantleMetisMetisMoonbase AlphaMoonbase AlphaMoonbeamMoonbeamMoonriverMoonriverNodle ParachainNodle ParachainNodle ParadisNodle ParadisOKT-ChainOKT-ChainOptimismOptimismOptimism SepoliaOptimism SepoliaOriginTrailOriginTrailParallelParallel
Parallel HeikoParallel Heikopeaqpeaqpeaq agungpeaq agungPeople KusamaPeople KusamaPeople PolkadotPeople PolkadotPhalaPhalaPichiuPichiuPioneerPioneerPolkadexPolkadexPolkadotPolkadotPolygonPolygonPolygon AmoyPolygon AmoyQuartzQuartzReefReefRobonomicsRobonomicsRubyIORubyIOScrollScrollSepoliaSepoliaShidenShidenSolanaSolanaSolana DevnetSolana DevnetSonicSonicSoraSoraStarknetStarknetStatemineStatemineStellarStellarSubsocialSubsocialSuiSuiSui TestnetSui TestnetTangleTangleTernoaTernoaTONTONTON TestnetTON TestnetUnichainUnichainUnichain SepoliaUnichain SepoliaUnique NetworkUnique NetworkVaraVaraWestendWestendWestmintWestmintxx networkxx networkZeitgeistZeitgeistZenchain TestnetZenchain TestnetZKsyncZKsyncParallel HeikoParallel Heikopeaqpeaqpeaq agungpeaq agungPeople KusamaPeople KusamaPeople PolkadotPeople PolkadotPhalaPhalaPichiuPichiuPioneerPioneerPolkadexPolkadexPolkadotPolkadotPolygonPolygonPolygon AmoyPolygon AmoyQuartzQuartzReefReefRobonomicsRobonomicsRubyIORubyIOScrollScrollSepoliaSepoliaShidenShidenSolanaSolanaSolana DevnetSolana DevnetSonicSonicSoraSoraStarknetStarknetStatemineStatemineStellarStellarSubsocialSubsocialSuiSuiSui TestnetSui TestnetTangleTangleTernoaTernoaTONTONTON TestnetTON TestnetUnichainUnichainUnichain SepoliaUnichain SepoliaUnique NetworkUnique NetworkVaraVaraWestendWestendWestmintWestmintxx networkxx networkZeitgeistZeitgeistZenchain TestnetZenchain TestnetZKsyncZKsync
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“It’s been great working with OnFinality, their RPC service ensures the Avail community has reliable, high-performance access to blockchain data, empowering developers to build faster and more efficiently.”

Jackson Lewis

Validator Engagement Lead at Avail

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The Ultimate Blockchain API Service

Faster than any single node, our globally distributed Enhanced API service provides reliable and scalable endpoints for your applications. Connect in seconds and enjoy an uninterrupted premium service that will allow your apps to grow infinitely.

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Designed to meet the custom infrastructure needs of anyone building in blockchain. Rapidly deploy and manage your nodes with only a few clicks using our Lightning Restore technology.

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OnFinality Indexer Services

Industry leading data indexing hosting so you can sleep easy — trusted by 100s of active projects and handling millions of daily requests. Run and scale your dApp effortlessly with our powerful infrastructure, and get started free today.

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Extensive Suite of Monitoring Tools

Access extensive and intuitive monitoring to better understand the request that you're making, the behaviour of your users, and the health of your nodes.

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Substrate Network Prototyping

Automatically test, deploy, and scale your new Substrate network using our automated infrastructure. Save time and money by using our flexible self-serve DevOps services.

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“We are very pleased to be working with OnFinality, one of the most trusted infrastructure partners in the Polkadot ecosystem.“

Sota Watanabe

Founder of Astar

Supported ecosystems

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Latest Product Updates!

OnFinalityNov 03,2025

What is x402? A complete guide to the payment protocol for agentic commerce

Discover how x402 is redefining onchain payments, enabling AI agents and APIs to transact autonomously in real time.

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OnFinalityOct 31,2025

Polkadot Asset Hub Migration Coming Soon

Discover how the Polkadot Asset Hub migration simplifies asset management and strengthens the Polkadot ecosystem.

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Image showing Blast API logo moving to OnFinality logo with text about shutdown and 50% off migration.

OnFinalityOct 28,2025

Blast API Shutdown: Migrate to OnFinality for Reliable RPC Infrastructure and 50% Off

We explore how the Blast API shutdown affects developers, why OnFinality is the best migration alternative, and how you can move your endpoints in minutes while enjoying 50% off and free migration support.

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