Scalekit vs SlashID

Scalekit and SlashID both touch AI-agent identity, but from opposite directions. Scalekit is identity infrastructure you build with — delegated OAuth, a token…

Best for Scalekit: Scalekit fits teams building AI agents or products that need those agents to authenticate to hundreds of SaaS tools via delegated OAuth, starting free for up to 5,000 tool calls per month.
Best for SlashID: SlashID fits security teams needing to detect and remediate identity-based threats — including compromised AI agent identities — across a hybrid or multi-cloud environment.

At a Glance

 ScalekitSlashID
Primary categorySecuritySecurity
RatingNot documentedNot documented
Pricing modelFreemium, usage-based (tool calls/API usage) plus custom Enterprise pricingFreemium usage-based subscription priced by monthly active users
Starting priceFree plan available; Growth plan starts at $99 per monthFree (paid plans from $99/month for up to 10 monthly active users)
Free planYesNot documented
Free trialNot documentedNot documented
PlatformsNot documentedNot documented
Team collaborationNot documentedNot documented
AI featuresYesNot documented
Public APIYesYes

Key Differences

Primary Function

Scalekit: Scalekit enables agents to authenticate and act via delegated OAuth, an AES-256 encrypted token vault, and per-tool-call permission scoping with full attribution logging.

SlashID: SlashID detects and remediates identity threats after credentials or agents already exist, running 500+ MITRE ATT&CK-mapped detections.

One is access-granting infrastructure you integrate into a product; the other is a security monitoring layer that watches existing identities.

Pricing Transparency

Scalekit: Scalekit publishes a Free plan ($0, 5,000 tool calls/month), a Growth plan ($99/month, 100,000 tool calls, $0.50 per 1,000 overage), and custom Enterprise pricing.

SlashID: SlashID publishes no pricing at any tier; the site directs visitors to request a demo.

Published pricing lets engineering teams estimate cost before committing to integration work.

AI Agent Connector Ecosystem

Scalekit: Scalekit offers 500+ pre-built connectors across productivity, CRM, project management, and data tools, plus native integrations with Claude, OpenAI, LangChain, Google ADK, Vercel AI, and Mastra.

SlashID: SlashID offers 100+ integrations across cloud providers, SaaS apps, databases, and identity providers — general security integrations, not agent tool-call connectors.

Building agentic products requires many pre-wired connections to the tools agents will act on; security monitoring requires visibility into the environment instead.

Threat Detection & Remediation

Scalekit: Scalekit does not document a threat-detection or remediation feature; it focuses on granting and scoping access with attribution logging for every action.

SlashID: SlashID offers 500+ MITRE ATT&CK-mapped detections and one-click remediation (MFA enforcement, suspension, credential rotation) with a claimed sub-1-second detection-to-remediation time.

Granting access safely and catching misuse of that access are two different security responsibilities.

MCP / Protocol-Specific Support

Scalekit: Scalekit offers explicit OAuth 2.1 support for Model Context Protocol (MCP) servers.

SlashID: SlashID does not document MCP-specific support.

Teams building on MCP need auth infrastructure that natively speaks that protocol.

Feature-by-Feature

AI Agent & Auth Infrastructure

FeatureScalekitSlashID
Delegated OAuth for agentsAvailableNot documented
Pre-built SaaS connectorsAvailableLimited
OAuth 2.1 support for MCP serversAvailableNot documented
Per-tool-call permission scopingAvailableNot documented

Security & Threat Response

FeatureScalekitSlashID
Threat detection engine (MITRE ATT&CK)Not documentedAvailable
Automated remediation (MFA/suspend/rotate)Not documentedAvailable
Browser extension threat detectionNot documentedAvailable

Pricing & Compliance

FeatureScalekitSlashID
Published free tierAvailableUnavailable
Published paid pricingAvailableUnavailable
SOC 2 certificationAvailableAvailable
ISO 27001 certification (own certification)AvailableNot documented

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Scalekit

Free — $0 monthly
Growth — $99/month monthly
Enterprise — Custom custom

SlashID

Free — $0 n/a
Growth — From $99/month monthly
Enterprise — Custom annual contract

Pros & Cons

Scalekit

Pros

  • Combines traditional B2B SSO/SCIM infrastructure with newer AI agent authentication in one platform
  • Free plan offers a meaningful 5,000 monthly tool calls with unlimited connected accounts
  • Broad identity provider support (Okta, Entra ID, OneLogin, JumpCloud) with automatic certificate rotation
  • Backed by credible investors (Together Fund, Z47) suggesting continued product investment

Cons

  • Seed-stage startup with an undisclosed small team, which may raise longevity questions for enterprise buyers
  • Company location is somewhat ambiguous (Delaware registration with India-based engineering office)
  • Overage charges on the Growth plan can add unpredictable costs for high-usage AI agent applications
  • EU data residency is a paid add-on rather than included by default

SlashID

Pros

  • Covers both human and non-human identities in a single platform
  • Combines identity infrastructure (auth/access) with detection and response rather than requiring separate tools
  • Serverless, HSM-backed architecture is designed for fast implementation
  • Automated remediation reduces manual incident response time
  • Free tier makes it easy for developers to evaluate before committing to a paid plan

Cons

  • Newer company (founded 2022) with a smaller track record than legacy identity vendors
  • Dashboard functionality reportedly lags behind what is available via the API, per user reviews
  • Best suited for organizations with in-house engineering resources to implement Gate and Access
  • Small team size (11-50 employees) may mean slower feature velocity than larger identity vendors
  • Enterprise pricing is custom and not published, requiring a sales conversation for larger deployments

Use Cases

Choose Scalekit: Scalekit fits teams building AI agents or products that need those agents to authenticate to hundreds of SaaS tools via delegated OAuth, starting free for up to 5,000 tool calls per month.
Choose SlashID: SlashID fits security teams needing to detect and remediate identity-based threats — including compromised AI agent identities — across a hybrid or multi-cloud environment.
Need both: A company building AI agents on Scalekit for delegated tool access could layer SlashID on top to continuously monitor those same agent identities (plus human and machine identities) for threat detection and automated remediation, since Scalekit grants and scopes access while SlashID watches for misuse after the fact.

Scalekit

  • Adding enterprise SSO to a SaaS product — B2B SaaS engineering teams integrate Scalekit to quickly offer SAML/OIDC SSO required by enterprise customers during sales deals.
  • SCIM-based user provisioning — Companies automate onboarding and offboarding of enterprise users through SCIM integration with customer identity providers.
  • AI agent authentication and tool access — AI-native application teams use Scalekit's AgentKit to authenticate agents and connect them securely to external tools on a user's behalf.

SlashID

  • Developer-built authentication — Engineering teams use SlashID Access to add passwordless login, multi-tenancy, and RBAC to a product without building identity infrastructure from scratch.
  • Identity threat detection and response — Security teams monitor for identity misuse and posture drift across cloud and SaaS identities, with automated remediation for detected threats.
  • API and workload protection — Platform teams use SlashID Gate to add authentication, rate limiting, and bot detection to internal and external APIs.

Frequently Asked Questions

Does Scalekit have a free plan?

Yes, the Free plan includes 5,000 tool calls per month with unlimited connected accounts and 500+ pre-built connectors.

Is SlashID's pricing public?

No, SlashID does not publish pricing; the site directs visitors to request a demo.

Does Scalekit help stop identity-based attacks?

Not according to its documented feature set — Scalekit focuses on granting and scoping access for agents (delegated OAuth, token vault, per-tool-call permissions), not on detecting or remediating threats.

Which tool supports the Model Context Protocol (MCP)?

Scalekit, via explicit OAuth 2.1 support for MCP servers ('Auth for MCP'). SlashID does not document MCP-specific support.

Does SlashID cover AI agent identities?

Yes, SlashID explicitly covers human, machine, and AI identities under one system of record.

Which tool is SOC 2 and ISO 27001 certified?

Scalekit states it is both SOC 2 and ISO 27001 certified. SlashID is SOC 2 Type II certified and supports ISO 27001 compliance workflows for customers, though its own ISO 27001 certification isn't documented.

Read the full Scalekit review · Read the full SlashID review