Every call offset.
Every watt renewable.
One toggle.

Make your API and blockchain calls carbon-neutral by default. Enterprise-grade renewable energy credits, retired on every call, verified on a registry.

Transparent energy, tiny offset

Every call has a real energy footprint. We publish it, price it at grid REC cost, and retire the credit.

0.4 Wh
per API call
grid avg · Fly.io + RPC + network
2.5 Wh
per bridge call
heaviest path · signed tx + chain gas
~0.01¢
to offset an API call
less than a rounding error

Live impact

What MeterCall's offset fleet has retired, in real time.

0
Wh offset · 24h
$0.00
USD retired · 24h
0
tree-years equivalent
0
car-miles offset

Calculate your offset

Drag the sliders. We'll quote the monthly cost live from the gateway.

$0.00
monthly cost
0 Wh
monthly energy
0
REC units
Turn on auto-offset
Retires a fractional REC on every call. Stops at your daily cap. Sign in to enable.

Retirement providers

Round-robin across the public REC + carbon removal registries. One receipt per retirement, verifiable on the source registry.

Patch.io
patch.io
stub
CNaught
cnaught.com
stub
Watershed
watershed.com
roadmap
Climate Impact Partners
climateimpact.com
roadmap
Puro.earth
puro.earth
roadmap
Regen Network
regen.network
roadmap
KlimaDAO
klimadao.finance
roadmap
Verra / Gold Standard
registry
verification

Your impact, verified

Last 10 retirements. Every row has an REC ID you can cross-check on the provider's registry.

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Why we built this

MeterCall routes millions of calls. At that scale, tiny energy numbers become real ones. We did the math, published it, and made the fix opt-in.

Embedded in the gateway. Not a checkbox on a dashboard.

Watershed and Persefoni help you measure your carbon. Sweep helps you report it. None of them retire RECs on every API call your software actually makes. We do — because we're the tollbooth the calls already pass through. The markup is 2x the grid REC price: half covers registry + verification fees, half funds the MeterCall green R&D pool. No hidden fees, all published in the docs.

  • Enterprise ESG / SASB reporting line items
  • Net-zero claims supported by retirement receipts
  • Every REC has a verifiable registry ID
  • Optional on-chain attestation via /v1/bridge/attest

Keep building

Offset pairs with every other MeterCall product.