Building APIs for SQL and NoSQL databases used to mean weeks of coding, testing, and securing endpoints. In 2025, low-code REST API builders provide the speed of visual tools with the flexibility of custom logic — helping teams accelerate API delivery without compromising on security or scalability.
At the top of this list is DreamFactory , the only platform that combines no-code simplicity with low-code extensibility , making it a fit for startups, SMBs, and enterprises alike.
Auto-generates REST APIs for 20+ SQL & NoSQL databases with no-code setup and low-code extensibility (Node.js, PHP, Python scripting).
Best For: Companies of all sizes needing no-code APIs with low-code extensibility to build secure, scalable REST APIs.
Instant REST APIs for SQL & NoSQL
Role-based access control & API keys
Scripting in Node.js/PHP/Python
Connectors for on-prem & cloud DBs
2. OutSystems
Enterprise low-code with visual API design, database integrations, and extensibility via custom code.
Best For: Large orgs needing end‑to‑end low‑code app + API lifecycle management.
3. Mendix
Low-code platform for API creation/orchestration with SQL & NoSQL connectivity; extend with Java/JS.
Best For: Enterprises needing scalable low‑code development with APIs.
4. WSO2 Choreo
Low-code integration & API platform for building REST/microservices with enterprise security.
Best For: Teams building cloud‑native APIs and integrations with low‑code speed.
5. Boomi Flow (by Dell Boomi)
Low-code integration & API orchestration; connect SQL/NoSQL and SaaS with workflows.
Best For: Companies orchestrating APIs + integrations in a low‑code environment.
6. Appian
Low-code automation platform with API integrations, data fabric, and governance.
Best For: Enterprises needing robust workflows + API orchestration with governance.
7. Hasura (GraphQL-first, Low-Code Friendly)
GraphQL engine that auto-generates APIs over SQL; extend with custom resolvers and remote schemas.
Best For: Developers preferring GraphQL with low‑code extensibility.
Comparison Table
Tool
Supported Databases
API Type
Best For
DreamFactory
SQL & NoSQL
REST
All company sizes
OutSystems
SQL & NoSQL via integrations
REST, SOAP, GraphQL
Large enterprises
Mendix
SQL + NoSQL connectors
REST
Enterprise scale
WSO2 Choreo
SQL & NoSQL
REST, GraphQL, microservices
Cloud-native teams
Boomi Flow
SQL, NoSQL, SaaS connectors
REST + workflows
Integration heavy use cases
Appian
SQL & Enterprise DBs
REST
Workflow automation
Hasura
SQL (Postgres, Snowflake, etc.)
GraphQL
GraphQL developers
Conclusion
In 2025, low-code API builders empower teams to quickly connect SQL and NoSQL databases while still allowing for customization when needed.
-If you want the best of both no-code and low-code worlds , choose DreamFactory.
-For enterprise-scale low-code , OutSystems, Mendix, and Appian stand out.
-For cloud-native APIs , WSO2 Choreo leads.
-For integration-heavy use cases , Boomi Flow delivers.
-For GraphQL-first APIs , Hasura is ideal.
Low-code API builders help organizations deliver secure, scalable APIs for Postgres , MySQL , SQL Server , Snowflake , MongoDB , and beyond — powering modern apps, SaaS integrations, and AI/LLM workflows.
