Phantom API

Invisible Infrastructure, Fast On-Chain Data. Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 49+ networks. Pay per call, no API keys.

Endpoints

All endpoints are POST• $0.01 USDC per call • Paid via x402 on Solana

RPC & Block Endpoints (all 49 chains)

POST /api/{chain}/rpc$0.01

POST /api/{chain}/gas/estimate$0.01

POST /api/{chain}/block/latest$0.01

NFT Endpoints

POST /api/{chain}/nft/by-owner$0.01

POST /api/{chain}/nft/metadata$0.01

POST /api/{chain}/nft/floor-price$0.01

POST /api/{chain}/nft/sales$0.01

Token & Transaction Endpoints

POST /api/{chain}/token/balances$0.01

POST /api/{chain}/token/metadata$0.01

POST /api/{chain}/token/transfers$0.01

POST /api/{chain}/tx/history$0.01

Supported Chains

EthereumBNB Smart ChainAvalancheGnosisSeiBerachainMonadSonicCeloBaseArbitrum OneOP MainnetZoraMantleMetisInkUnichainWorld ChainAbstractSoneiumopBNBzkSync EraLineaStarknetPolygon PoSRoninPlasmaBOBMegaETHKatanaCitreaHumanityHyperliquidTempoApeChainDegenPharosBobaX LayerKaiaSuperseedStableRobinhoodADISolanaSuiAptosTronInjective

Resources

/openapi.json /llms.txt