Add Features for your Devin-built FastAPI app
Expert add features for FastAPI apps built with Devin. We audit Devin-generated FastAPI code for add features issues. From $19.
Devin issues we find in FastAPI projects
Problems specific to Devin's code generation patterns when building FastAPI apps.
Autonomous security decisions
Devin makes security-related decisions without human review — choosing auth strategies, setting permissions, and configuring access controls that may be inadequate.
Compounding architectural errors
When Devin makes an early architectural mistake, it builds subsequent features on top of it. By the time you notice, the issue is deeply embedded in the codebase.
Workarounds instead of fixes
When Devin encounters an error, it sometimes adds workarounds that mask the root cause rather than fixing the underlying issue.
FastAPI add features issues we check for
Add Features-specific FastAPI problems that need attention before production.
Blocking calls inside async endpoints
Synchronous database calls, file operations, or HTTP requests inside async def endpoints block the entire event loop, making your API unresponsive under load.
Pydantic models without validation constraints
Request models that accept any string length, any number range, and any format. No Field() constraints, so invalid data flows through your system.
No rate limiting on public endpoints
Public API endpoints (especially AI wrapper endpoints that call OpenAI or similar) have no rate limiting, so a single user can run up massive costs.
What our add features covers
Everything included when we add features your Devin FastAPI project.
Start with a self-serve audit
Get a professional add features of your Devin FastAPI project at a fixed price.
External Security Scan
Black-box review of your public-facing app. No code access needed.
- OWASP Top 10 vulnerability check
- SSL/TLS configuration analysis
- Security header assessment
- Expert review within 24h
Code Audit
In-depth review of your source code for security, quality, and best practices.
- Security vulnerability analysis
- Code quality review
- Dependency audit
- Architecture review
- Expert + AI code analysis
Complete Bundle
Both scans in one package with cross-referenced findings.
- Everything in both products
- Cross-referenced findings
- Unified action plan
100% credited toward any paid service. Start with an audit, then let us fix what we find.
How it works
Three steps to get your Devin FastAPI app production-ready.
Tell us about your app
Share your project details and what you need help with.
Expert + AI audit
A human expert assisted by AI reviews your code within 24 hours.
Launch with confidence
We fix what needs fixing and stick around to help.
Frequently asked questions
Can you add features my Devin-built FastAPI app?
Yes. We regularly handle add features for FastAPI projects built with Devin. We understand Devin's code patterns and the specific FastAPI issues they introduce. Our review covers the full stack from frontend to backend.
What FastAPI add features issues does Devin typically create?
Common add features issues in Devin-generated FastAPI code include: autonomous security decisions, compounding architectural errors, workarounds instead of fixes. On the FastAPI side, we often find: blocking calls inside async endpoints, pydantic models without validation constraints, no rate limiting on public endpoints.
How much does add features cost for a Devin FastAPI project?
Start with our $19 automated audit to get a prioritized list of issues. For hands-on add features work on Devin-built FastAPI projects, we provide a fixed quote after reviewing the audit results. No surprises.
Related resources
Other FastAPI Technologies
Other Devin FastAPI Services
Get add features for your Devin FastAPI app
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.