JUMP TOUniramp API DocumentationonrampAggregate CeFi onrampsgetAggregate DeFi gatewaysgetRetrieve transactiongetCreate transactionpostRetrieve DeFi route parametersgetQuery IP addressgetRetrieve supported fiatgetSupported fiatsgetRetrieve supported chaingetSupported chainsgetRetrieve supported cryptocurrencygetSupported cryptocurrenciesgetSupported CeFi payment methodsgetSupported CeFi gatewaysgetSupported DeFi gatewaysgetPowered by Aggregate CeFi onrampsget https://api.uniramp.io/v1/onramp/quote/cefi