VIA Network: Agentic Commerce

confirm_purchase

Settle a network-MEMBER (e.g. RRG) purchase after you have sent the USDC that buy_product asked for. This is the member two-step: buy_product returns a pay-to address and amount, you transfer USDC on Base, then call this with the tx hash to mint, pay out, and get your download. For physical products include the shipping block and buyer_email. VIA-native purchases do NOT use this: they settle at the /api/x402/purchase endpoint that buy_product returns.

Input Schema

TableJSON Schema

Name	Required	Description
`tx_hash`	Yes	The USDC transfer transaction hash on Base.
`order_id`	No	The orderId buy_product returned for this member order. Required for physical member products: the order ships to the address recorded on it.
`shipping`	No	Required for physical member products.
`product_id`	Yes	The member listing/token id (mcp_ref.token_id).
`buyer_email`	No	For order confirmation and file delivery. Required for physical products.
`buyer_wallet`	Yes	The wallet that sent the USDC.
`selected_size`	No	The size you chose at buy_product (must match).
`buyer_agent_id`	No	Your ERC-8004 agent id, for an on-chain trust signal.
`selected_color`	No	The colour you chose at buy_product (must match).
`seller_mcp_url`	Yes	The member seller_mcp_url you called buy_product on.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 9, 2026

addedInput schema / properties / order_id

Added value: +{
+  "description": "The orderId buy_product returned for this member order. Required for physical member products: the order ships to the address recorded on it.",
+  "maxLength": 4096,
+  "type": "string"
+}

First observedJul 27, 2026

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