Alternatives
10 best SikkerKey alternatives
Tools that cover the same task as SikkerKey (secrets management), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- SikkerKey starts at
- $29/mo
- Free plan
- Free plan
- API
- API available
- 01
Infisical
Infisical is a security platform for developers and AI agents covering secrets management, certificate management, and privileged access. Cloud plans scale by identities with integrations, rotation, SSO, and enterprise controls for larger organizations.
Best for: Engineering teams and agent builders needing centralized secrets, certificates, and privileged access with SSO and audit trails.
- 02
HeroTofu.com
HeroTofu provides form endpoints and a form backend for static sites: point HTML forms at HeroTofu URLs to collect submissions via email, Slack, Zapier, spam filtering, and encrypted archives without server code.
Best for: Freelancers, agencies, and static-site developers who need hosted form handling and integrations.
- 03
Kompy
Plans meter monthly credits with concurrency and request-rate limits for developers and AI agents.
Best for: Developers and agent builders who need structured Walmart catalog and pricing history without maintaining scrapers.
- 04
smol machines
smol machines provides fast, hardware-isolated Linux microVMs that run locally via smolvm, in smol cloud, or self-hosted with the same SDK and .smolmachine artifact. Pricing combines hourly base machine fees plus consumption for CPU, memory, disk, and egress, with account credits for new users and tiered monthly platform fees on Pro and Startup plans.
Best for: Developers and platform teams who need portable microVMs for agent sandboxes, CI workloads, or always-on apps across laptop and cloud environments.
- 05
YepCode
YepCode is a developer-first platform for building and running AI-powered integrations in secure sandboxes. Teams execute code—including AI-generated scripts—with dependencies, secrets, logging, and audit trails without operating their own runtime infrastructure.
Best for: Developers and integration teams automating workflows or running AI-generated code that must stay isolated and observable.
- 06
Inkbox
Inkbox gives AI agents a unified identity with email, phone, iMessage, a public internet address, and Agent2Agent channels plus a credential vault. Y Combinator–backed Inkbox ships plugins for Claude Code, Codex, ChatGPT, and other agent hosts so agents can communicate like teammates.
Best for: Developers and startups operating multiple agents that need real-world contact surfaces and cross-channel memory.
- 07
Bytebase
Bytebase is a database governance platform for teams and AI agents to change, access, and audit databases across environments. It unifies schema migrations, access control with masking and just-in-time access, compliance workflows, and integrations with identity and GitOps tools.
Best for: Platform and data teams that need reviewable database change workflows, access policies, and audit trails.
- 08
ngrok
ngrok is cloud networking infrastructure that routes and secures traffic to apps, APIs, and AI workloads on localhost, private networks, or production clusters. The official site positions it as an ingress platform with tunnels, a global edge, API gateway features, and Kubernetes ingress so developers can expose services safely without rebuilding networking for each environment.
Best for: Developers and platform teams that need secure public URLs, ingress, and traffic policy for local dev, webhooks, and production APIs.
- 09
dlvr.sh
dlvr.sh is a developer-first temporary file sharing service positioned as a WeTransfer alternative for AI agents and automation. It offers short links, expiry controls, passwords, download limits, and API, MCP, and CLI access for delivering large files without long-term storage contracts.
Best for: Developers, agencies, and agent workflows that need expiring, password-protected file handoffs with programmatic uploads.
- 10
PropelAuth
PropelAuth provides authentication and org management built for B2B and AI-native products. The platform covers hosted login UIs, SAML and enterprise SSO, RBAC, API keys, and MCP authentication so teams can ship secure multi-tenant apps faster.
Best for: B2B SaaS and AI-native companies that need multi-tenant auth, enterprise SSO, and org management without building it in-house.
SikkerKey alternatives: common questions
What is the best free alternative to SikkerKey?
Infisical has an ongoing free plan. Free plan includes five identities, unlimited projects, integrations, secret sharing, and related starter features at $0. Free plans change, so check the vendor before relying on one.
What is the cheapest SikkerKey alternative?
dlvr.sh has the lowest listed starting price at $8/mo, compared with $29/mo for SikkerKey.
Which SikkerKey alternatives have an API?
Infisical, HeroTofu.com, Kompy, smol machines, YepCode mention API or developer access.