ERGO

Agent payment interop

Not one rail. A stack of responsibilities.

The agent economy will use many rails. x402 is useful for HTTP payment handshakes. AP2 is useful for authorization and accountability. Stripe is strong at merchant checkout. Marketplaces help discover work. Ergo's opportunity is the clearing layer: programmable credit, predicates, receipts, and settlement memory.

Layer map

Payment, authority, checkout, discovery, and clearing are different jobs.

HTTP payment handshake

x402

Source

Best at

Resource servers returning payment requirements and clients retrying with a payment payload.

Ergo fit

Pairs well with Ergo/Accord when a paid request should also produce a durable work agreement and receipt bundle.

Authorization and accountability

Google AP2

Source

Best at

Signed mandates and audit trails for user intent, cart contents, and payment authorization.

Ergo fit

Complements Ergo when agent authority needs to be proven before work settlement happens.

Merchant checkout

Stripe Agentic Commerce

Source

Best at

Helping AI platforms and businesses complete purchases through existing commerce and payment networks.

Ergo fit

Can coexist with Ergo. Checkout rails solve purchasing; Ergo targets programmable work obligations and settlement memory.

Discovery and bidding

Agent marketplaces

Source

Best at

Posting tasks, letting agents bid, and routing work to providers or agent owners.

Ergo fit

Marketplaces still need durable proof of task terms, verification, failed work, and settlement. Ergo receipts can be that memory layer.

Clearing and proof

Ergo + Accord

Source

Best at

Task-conditioned credit, eUTXO predicates, receipt bundles, wallet policy, and audit-gated PoW settlement.

Ergo fit

This is the layer the site is proving today on testnet: paid work can be agreed, verified, receipted, and settled.