mppgas
multi-chain gas tracker  ·  tempo MPP  ·  x402
live7 chains$0.01 / requestgas-abstracted
Endpoints
GET/api/gasPAID · $0.01
slow / standard / fast gwei · native USD · 21k-gas transfer cost · 7 chains · cached 10s
GET/api/gas/deepPAID · $0.02
EIP-1559 breakdown · baseFee · priorityFee · maxFeePerGas recs · block number + timestamp · 7 chains
GET/api/gas/forecastPAID · $0.02
30-min linear trend forecast · now / in15min / in30min gwei · based on rolling 10-min buffer
GET/api/gas/spike?chain=PAID · $0.01
spike detector · current vs 1h rolling avg · isSpike if current > avg + 2σ · all 7 chains
GET/api/gas/best-time?chain=PAID · $0.01
cheapest UTC hour from 24h buffer · currentVsCheapest % · recommendation: send now | wait
GET/api/infoFREE
service metadata · payment config · gas-abstraction status
GET/openapi.jsonFREE
OpenAPI 3.1 spec · agent discovery
Quick start
summary$ curl https://gas.ivan-tempo.xyz/api/gas
eip-1559$ curl https://gas.ivan-tempo.xyz/api/gas/deep
forecast$ curl https://gas.ivan-tempo.xyz/api/gas/forecast
spike$ curl 'https://gas.ivan-tempo.xyz/api/gas/spike?chain=ethereum'
best time$ curl 'https://gas.ivan-tempo.xyz/api/gas/best-time?chain=ethereum'
discover$ curl https://gas.ivan-tempo.xyz/openapi.json
/api/gas returns 402 — attach x402 payment header with USDC.e
no native Tempo gas required  ·  feePayer sponsored by service
Supported chains
ethereumbasearbitrumoptimismpolygonbsctempo
Payment
protocolx402 / Tempo MPP
currencyUSDC.e · chainId 4217
price$0.01 – $0.02 per request
gasabstracted — feePayer sponsored
token0x20C000000000000000000000b9537d11c60E8b50
openapi.jsonmpp.dev PR #652api/info