Evidence for agent commerce

Know why your agent paid — and verify what happened afterward.

See what your agent was allowed to pay, what settled, and what is still unknown.

View a real receipt Add OCD to your agent

Available in ChatGPT & Codex Try OnChainDiligence

A real receipt

What OCD gives you after a consequential payment.

View receipt
OneSource purchase

$0.001 USDC on Base

VALID
MandatePayment request captured PolicyALLOW ExecutionCONFIRMED SettlementCONFIRMED

Execution vs. preflight

MATCHES EXACTLY

Independently observed on Base mainnet by transaction hash — network, asset, recipient, and amount all match what was preflighted. Receipt proof is valid under the verifier contract. Service quality or delivery was not independently verified.

Inspect the receipt

Read the record correctly

Before. After. Unknown.

01

Before

What was the agent allowed to do?

Mandate · policy
02

After

What actually happened?

Execution · settlement
03

Unknown

What can the evidence not establish?

Delivery · objective truth

What OCD can verify today

One evidence layer, several rails.

01

Settlement

Base, Ethereum, Tempo, Solana

Independent on-chain observation
02

Providers

x402, PayBox, Turnkey, Crossmint, CDP, Circle

Executor settlement evidence
03

Actions

Allowance, swap, bridge, staking

Preflight + settlement match

Full coverage detail →

Built for your existing stack

Keep your wallet. Keep your payment provider. Add OCD once.

Add a durable evidence trail around the payment lifecycle. OCD evaluates policy, captures observations, and produces a receipt your team or another verifier can inspect.

Bring OnChainDiligence to your agent

Use the published OnChainDiligence Plugin in ChatGPT and Codex, or connect directly through MCP.

Try OnChainDiligence Developer docs
01Your agent

Requests a payment

02OCD

Evaluates and records

03Your provider

Executes the payment

04Signed receipt

Available for verification