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When tool approvals are enabled, POST /v1/agent/invoke can finish with status: "awaiting_approval". run_id is the public request id. thread_id is the value you sent, or null. pending_tool_approvals is present only while the run is waiting. Each item includes approval_id, tool_name, summary, arguments, expires_at, and review_url. review_url opens the approval in the dashboard. It is not an email token. denied_tool_calls is present only when a tool was denied, with reason: "policy_deny". The response text also includes [Waiting for approval: …]. A streaming invoke puts the same fields on the final usage event.

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Continue the run

Send the same thread_id with decided_tool_approvals:
If you omit decided_tool_approvals and reuse the thread, Fetch Hive loads the approvals from that thread.

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Decide with an API key

decision is allow_once or deny. always_allow returns 422 with always_allow_requires_dashboard. A second decision returns 409. An expired approval returns 410. An approval outside the API key’s workspace returns 404. List pending approvals:
status defaults to pending. You can filter with agent_id, run_id, and request_id. Pages use cursor and return at most 50 rows.

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Webhooks

A webhook-sourced run sends agent.awaiting_approval when it pauses. The payload includes pending_tool_approvals. After the run continues, agent.completed includes resumed_from_run_id.