Feature

Human-in-the-Loop Controls

Approval gates on automated actions.

13 providers 57 APIs 10 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.

13 API providers on the APIs.io network offer human-in-the-loop controls. The highest-rated are Microsoft Power Automate, Ashby, Ariba Sourcing, CrewAI Cloud, Waxell.

Providers

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

Exemplar 2 Complete, well-documented, and agent-ready

Microsoft Power Automate Microsoft Power Automate is a cloud-based service that helps you create automated workflows between your fa... 1 API 71.3 Ashby Ashby is a modern all-in-one recruiting platform combining Applicant Tracking System (ATS), sourcing/CRM, i... 15 APIs 70.1

Strong 2 Solid coverage with minor gaps

Ariba Sourcing SAP Ariba Sourcing provides cloud-based strategic sourcing capabilities for procurement organizations. It e... 1 API 65.4 CrewAI Cloud CrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ... 3 APIs 63.2

Developing 5 Usable, with meaningful gaps to close

Waxell Waxell is an AI agent governance and observability platform that provides runtime policy enforcement, auto-... 2 APIs 59.6 Activepieces Activepieces is an open-source, no-code automation platform that enables users to streamline workflows by c... 1 API 56.1 Absence.io Absence.io is an innovative and efficient leave management software that simplifies the process of tracking... 1 API 55.1 Formant Formant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat... 4 APIs 53.2 PandaDoc PandaDoc is a document automation platform that enables businesses to create, send, track, and e-sign docum... 5 APIs 51.4

Thin 3 Limited public surface area

Apiman Apiman is an open source API management platform featuring a REST API, manager UI, and standalone developer... 1 API 42.9 freshworks Freshworks is a software company that develops cloud-based business software including customer support, IT... 8 APIs 40.9 DocuPanda DocuPanda (now also branded DocuPipe, operated by Hoss Inc.) is an AI-powered document intelligence API tha... 10 APIs 38.4

Emerging 1 Early or largely undocumented

Augment Code Augment Code is a context-aware AI platform for software engineering teams. The flagship is Cosmos, a "unif... 5 APIs 25.8

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 ApprovalsIntervention 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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