Feature

Human-in-the-Loop Controls

Approval gates on automated actions.

14 providers 44 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, Activepieces.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 2 Solid coverage with minor gaps
AshbyAshby is a modern all-in-one recruiting platform combining Applicant Tracking System (ATS), sourcing/CRM, i...1 API64.1WaxellWaxell is an AI agent governance and observability platform that provides runtime policy enforcement, auto-...1 API62.2
Developing 4 Usable, with meaningful gaps to close
CrewAI CloudCrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...1 API52.7Microsoft Power AutomateMicrosoft Power Automate is a cloud-based service that helps you create automated workflows between your fa...6 APIs51.6ActivepiecesActivepieces is an open-source, no-code automation platform that enables users to streamline workflows by c...1 API46.3PandaDocPandaDoc is a document automation platform that enables businesses to create, send, track, and e-sign docum...1 API44.6
Thin 7 Limited public surface area
FormantFormant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...1 API33.9ApimanApiman is an open source API management platform featuring a REST API, manager UI, and standalone developer...1 API33.6Absence.ioAbsence.io is an innovative and efficient leave management software that simplifies the process of tracking...7 APIs33.5Ariba SourcingSAP Ariba Sourcing provides cloud-based strategic sourcing capabilities for procurement organizations. It e...3 APIs33.4freshworksFreshworks is a software company that develops cloud-based business software including customer support, IT...6 APIs32.5Augment CodeAugment Code is a context-aware AI platform for software engineering teams. The flagship is Cosmos, a "unif...5 APIs27.3DocuPandaDocuPanda (now also branded DocuPipe, operated by Hoss Inc.) is an AI-powered document intelligence API tha...10 APIs26.2
Minimal 1 Almost no public developer surface
Presto AutomationPresto Automation (now operating as Presto Phoenix, Inc.) is a Silicon Valley-based voice AI and automation...6.4

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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