# ERROR: HTTP error 403 while getting https://pypi.org/simple/mypackage/ (from https://pypi.org/simple)

- **ID:** `python/pip-http-error-403`
- **Domain:** python
- **Category:** network_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

The PyPI server returns 403 Forbidden, often due to IP blocking, rate limiting, or authentication issues.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.8 | active | — | — |
| 3.9 | active | — | — |
| 3.10 | active | — | — |
| 3.11 | active | — | — |
| 3.12 | active | — | — |

## Workarounds

1. **Use a different network or VPN** (85% success)
   ```
   Switch to a different internet connection or use a VPN to change IP.
   ```
2. **Use a mirror of PyPI** (90% success)
   ```
   pip install -i https://mirrors.aliyun.com/pypi/simple/ mypackage
   ```

## Dead Ends

- **Using --proxy flag with incorrect proxy settings** — If the proxy is misconfigured, it may cause further errors. (70% fail)
- **Ignoring and retrying later** — The issue may persist if it's an IP block or authentication problem. (50% fail)