ToolJet API

ToolJet — open-source, self-hostable low-code platform for building internal tools and admin panels with drag-and-drop UI builder, 50+ data source connectors, and a REST API for workflow automation.

Evaluated Mar 07, 2026 (0d ago) vcurrent

Homepage ↗ Repo ↗ Developer Tools tooljet low-code internal-tools open-source self-hosted admin-panel dashboard

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

100

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

AGPL open source — auditable. Self-hosted for data sovereignty. SOC2 for cloud. Secrets encrypted at rest. SSO integration via SAML/OIDC on Enterprise.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You need an open-source, self-hosted alternative to Retool for building internal tools with full data control and no per-user licensing fees.

Avoid When

You need a fully managed, commercially supported internal tool platform — use Retool for enterprise SLA.

Use Cases

• Agents triggering ToolJet workflows to execute multi-step internal automation across connected data sources
• Data management UI — agents building CRUD interfaces on top of databases, APIs, and SaaS tools without frontend code
• Workflow automation — agents running ToolJet workflows that sequence database queries, API calls, and transformations
• Internal dashboard creation — agents programmatically creating apps and dashboards for internal reporting
• Self-hosted alternative to Retool — agents using ToolJet's open-source platform in air-gapped environments

Not For

• Customer-facing applications — ToolJet is for internal team tools, not public-facing products
• Complex UI requirements — ToolJet's drag-and-drop has limitations for highly custom interfaces
• Teams needing commercial SLA support — open-source self-hosted version has no guaranteed support

Interface

REST API

Yes

GraphQL

gRPC

MCP Server

SDK

Webhooks

Yes

Authentication

Methods: bearer_token

OAuth: Yes Scopes: No

JWT-based authentication. Personal access tokens for API access. SSO via Google, GitHub, and LDAP. SAML available on Enterprise plan.

Pricing

Model: open-source

Free tier: Yes

Requires CC: No

Open source under AGPL — self-hosted is free for teams. Cloud tier for managed hosting. Enterprise adds SAML, audit logs, and SLA.

Agent Metadata

Pagination

offset

Idempotent

Partial

Retry Guidance

Not documented

Known Gotchas

⚠ API documentation is community-maintained and may lag behind feature releases
⚠ Workflow IDs are opaque UUIDs — agents must query app list to discover workflow IDs
⚠ Data source connections are workspace-level — agents cannot create new connections via REST API
⚠ Self-hosted ToolJet version may differ from cloud — API compatibility must be verified per deployment
⚠ AGPL license means modifications to ToolJet server must be open-sourced if distributed

Alternatives

retool-api budibase-api appsmith-api nocodb-api

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Scores are editorial opinions as of 2026-03-07.