PHPKB
7.3#51 in knowledge base softwareFrom $25 a monthWebAPILinuxSelf-hosted
VisitPHPKB vs Scalar
What both publish
| Fact | PHPKB | Scalar |
|---|---|---|
| Company | The website copyright identifies Chadha Software Technologies as the company behind PHPKB. | The company describes itself as a team of 10 engineers and designers focused on accessibility, API-first work, and open source. |
| Free plan | No | Yes |
| Headquarters | Jalandhar, Punjab, India | The company's terms list API Documentation Inc. (doing business as Scalar) at 2812 Dewdney Ave., British Columbia, Canada. |
| Integrations | The Enterprise edition includes a REST API with JSON responses, while LDAP integration and authentication are listed as Enterprise features. | Scalar documents more than 35 framework integrations, including Express, Fastify, Hono, NestJS, Next.js, FastAPI, Django, Rails, Laravel, ASP.NET Core, Spring Boot, Go and Rust. |
| Paid from | 25 | 150 |
| Product | PHPKB is knowledge base management software for publishing and managing articles, manuals, FAQs, business processes, online help, and other information. | Scalar provides API documentation, SDK generation, API registry, API client, and MCP server products built around APIs. |
| Security | Listed security features include SSL certificates, IP and network restrictions, input sanitization, and protections against SQL injection, unauthorized login attempts, CSRF, and XSS. | Scalar states that it has received a SOC 2 Type 1 report and maintains GDPR-compliant privacy practices. |
PHPKB plans
- Standard Edition — SaaS Cloud License$25 a month
- Standard Edition — Self-hosted$285 a month
- Enterprise Edition — Self-hosted$515 a month
- Standard Edition (SaaS Cloud License)$25 a month
- Standard Edition (Self-hosted)$285, paid once
- Enterprise Edition (Self-hosted)$515, paid once
Scalar plans
- FreeFree
- Pro$150 a month
- Business$600 a month
- EnterprisePriced on request
Pick PHPKB if…
It suits organizations publishing customer help, technical documentation, internal knowledge, or procedures. Teams can choose SaaS or self-hosted deployment and use multilingual, analytics, and access features.
Pick Scalar if…
Scalar suits developers and teams that work with OpenAPI-based documentation, SDKs, or API registries. Its hosted and self-hosted options may suit teams with different deployment preferences.