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A fixture is a synthetic counterparty that only your sandbox organization can see. Fixtures stand in for the other side of every flow: the recipient of your payment, the payer of your request, the customer who authorizes your agents.

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Send a payment

Pay any of these identifiers and your recipient fixture receives it:

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Request a payment

Address a payment request to the payer fixture, then fulfill or decline it as the payer. The payer is always funded.

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Pay someone who hasn’t joined yet

Payments to these identifiers wait as claims, just as they would for a real person without a Natural account. Complete the claim, or call simulate_payment_claim_completion through MCP, to simulate the payee joining and receiving the funds.

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Simulate Connect

Connect is how customers authorize your agents to act for them. Invite a test customer by choosing its agents. Natural creates the synthetic customer, visible only to your organization, and leaves one invitation PENDING for each agent; no customer contact details are required. Accept or decline each returned invitation as the test customer. After acceptance, fund the customer, pay on its behalf with customerPartyId, and revoke access when a test needs a clean slate.