# Page Not Found

The URL `modules/id-authentication-services/id-authentication-otp-service-developer-guide` does not exist.

You might be looking for one of these pages:
- [ID Authentication OTP Service Developer Guide](https://docs.mosip.io/1.2.0/id-lifecycle-management/identity-verification/id-authentication-services/id-authentication-otp-service-developer-guide.md)
- [ID Authentication Service Developers Guide](https://docs.mosip.io/1.2.0/id-lifecycle-management/identity-verification/id-authentication-services/id-authentication-service-developer-guide.md)
- [ID Authentication Internal Service Developers Guide](https://docs.mosip.io/1.2.0/id-lifecycle-management/identity-verification/id-authentication-services/id-authentication-internal-service-developer-guide.md)
- [VID Service Developers Guide](https://docs.mosip.io/1.2.0/id-lifecycle-management/identity-issuance/id-repository/id-repository-vid-service-developer-guide.md)
- [Identity Service Developers Guide](https://docs.mosip.io/1.2.0/id-lifecycle-management/identity-issuance/id-repository/id-repository-identity-service-developer-guide.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.mosip.io/1.2.0/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.mosip.io/1.2.0/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/1.2.0/id-lifecycle-management/identity-verification/id-authentication-services/id-authentication-otp-service-developer-guide.md`)
- Use `Accept: text/markdown` header for content negotiation