Feature
Human-in-the-Loop Controls
Approval gates on automated actions.
14 providers
186 APIs
11 declared variants
Automated or agentic actions can pause for human review, approval, or correction before they take effect. The main control that makes autonomous workflows safe to deploy.
14 API providers on the APIs.io network offer human-in-the-loop controls. The highest-rated are Ashby, Waxell, CrewAI Cloud, Microsoft Power Automate, PandaDoc.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
Waxell
Waxell is an AI agent governance and observability platform that provides runtime policy enforcement, auto-...
CrewAI Cloud
CrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...
Microsoft Power Automate
Microsoft Power Automate is a cloud-based service that helps you create automated workflows between your fa...
PandaDoc
PandaDoc is a document automation platform that enables businesses to create, send, track, and e-sign docum...
Developing 5 Usable, with meaningful gaps to close
Ariba Sourcing
SAP Ariba Sourcing provides cloud-based strategic sourcing capabilities for procurement organizations. It e...
Activepieces
Activepieces is an open-source, no-code automation platform that enables users to streamline workflows by c...
Formant
Formant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...
Absence.io
Absence.io is an innovative and efficient leave management software that simplifies the process of tracking...
freshworks
Freshworks is a software company that develops cloud-based business software including customer support, IT...
Thin 2 Limited public surface area
Emerging 1 Early or largely undocumented
Minimal 1 Almost no public developer surface
What Providers Actually Declared
This feature is a canonical term. These are the free-text strings
providers wrote in their own apis.yml that map onto it.
Approval WorkflowsApproval definitions API for governance — manage multi-step approval workflows on offers and other entities; supports force-approve overridesApproval workflowsExternal Approval WorkflowFlow human-in-the-loop management with /resume endpoint for approve/retry decisionsFreshdesk Enterprise at $89/agent/mo with audit logs + approval workflowsHuman-in-the-LoopHuman-in-the-Loop ApprovalsHuman-in-the-Loop SupervisionIntervention Requests — human-in-the-loop intervention workflow with paired request / response resourcesVisual review with source highlighting for human-in-the-loop QA
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