VIA Network: Agentic Commerce

accept_offer

Ask a buyer's Buying Agent to accept a negotiated offer, forwarded to their buyer MCP. The agent auto-accepts only within the buyer's delegation caps, otherwise it queues the offer for the buyer's approval.

Input Schema

TableJSON Schema

Name	Required	Description
`brief_id`	No	The brief you made the paid offer against (required by the buyer agent).
`category`	No	Product category, checked against the buyer's lists.
`offer_id`	Yes	Your reference id for the offer being accepted.
`amount_usd`	No	Total order amount in USD, for the caps check.
`offer_token`	No	The offer_token the door returned when you paid for this offer. Required unless you send payer_signature.
`buyer_mcp_url`	Yes	The buyer's mcp_url from a find_buyers result.
`payer_signature`	No	Instead of offer_token: an EIP-191 signature by the paying wallet, as for negotiate.
`payment_tx_hash`	No	The payment tx of your paid door offer (required by the buyer agent).

Schema Changelog

Changes observed during successful MCP inspections.

Changed4 schema fields changedOct 9, 2026

addedInput schema / properties / brief_id

Added value: +{
+  "description": "The brief you made the paid offer against (required by the buyer agent).",
+  "maxLength": 120,
+  "minLength": 1,
+  "type": "string"
+}

addedInput schema / properties / offer_token

Added value: +{
+  "description": "The offer_token the door returned when you paid for this offer. Required unless you send payer_signature.",
+  "maxLength": 200,
+  "type": "string"
+}

addedInput schema / properties / payer_signature

Added value: +{
+  "description": "Instead of offer_token: an EIP-191 signature by the paying wallet, as for negotiate.",
+  "maxLength": 200,
+  "type": "string"
+}

addedInput schema / properties / payment_tx_hash

Added value: +{
+  "description": "The payment tx of your paid door offer (required by the buyer agent).",
+  "maxLength": 120,
+  "minLength": 6,
+  "type": "string"
+}

First observedJul 27, 2026

TDQS

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