Payments with
permanent proof.
Every payment processed through Coal produces a tamper-proof receipt stored permanently on 0G. Dispute-proof records, AI-native paywalls, and portable merchant identity — without any extra work on your end.
One layer. Four superpowers.
Receipts no one can fake
Every payment you receive is stamped with a permanent, publicly verifiable record. If a customer disputes a charge, the proof is on-chain — immutable and impossible to alter.
Paywalls that AI agents can use
AI agents are buying things on behalf of users right now. Coal x 0G lets you publish access terms that autonomous agents can read, pay, and verify — opening your product to the agentic economy.
Your merchant identity, portable
Your product catalog, pricing, and settings are stored outside any single app. Switch infrastructure, update your stack, or migrate — your identity and history move with you.
AI commerce, ready to go
Open endpoints for AI models to query your catalog, verify buyer access, and route payments. First-class AI commerce without custom integration work.
Pay once. Proved forever.
Customer pays
The payment settles on Base — fast, non-custodial, and direct to your wallet. Exactly as you know it.
Receipt is locked in
A permanent record of the transaction — who paid, how much, when — is written to 0G's decentralised storage. Automatically.
Anyone can verify
The receipt is publicly auditable. Your customer, your auditor, or an AI agent can confirm the payment happened — no intermediary needed.
The internet is getting an upgrade. Payments should too.
Subscriptions get cancelled. Chargebacks happen. AI agents need to buy things. 0G gives every Coal payment a permanent, public record that works for all three — without changing how you accept payments today.
No more chargebacks
The proof is on-chain. Every payment has a public, timestamped record that anyone can audit. Disputes resolve in seconds, not weeks.
Payments AI agents can make
The next wave of buyers are AI agents acting on behalf of people. 0G makes your product natively accessible to them — right now.
Identity that outlives your stack
Your merchant history and customer relationships are yours, stored decentrally. Migrate, rebuild, or pivot — your reputation comes with you.