Bankr Error Handling
Resolve Bankr API errors and authentication issues.
Authentication Errors (401)
Symptoms
- HTTP 401 status code
- "Invalid API key" or "Unauthorized" message
Resolution
Present these setup instructions to the user:
Step 1: Create an API Key
Visit https://bankr.bot/api to create a new API key
Step 2: Set Environment Variable
# Add to shell profile (~/.zshrc or ~/.bashrc)
export BANKR_API_KEY=bk_your_api_key_here
Step 3: Restart Claude Code
Close and reopen the terminal/Claude Code session
Important: Do NOT retry when authentication fails. User must fix API key first.
Common Job Failures
| Error | Cause | Resolution |
|---|---|---|
| Insufficient balance | Not enough tokens | Check balance, reduce amount |
| Token not found | Invalid symbol/address | Verify token exists on chain |
| Slippage exceeded | Price moved too much | Retry or try smaller amount |
| Transaction reverted | On-chain failure | Check transaction details |
| Rate limit exceeded | Too many requests | Wait and retry |
HTTP Status Codes
| Code | Meaning | Action |
|---|---|---|
| 400 | Bad request | Check prompt format |
| 401 | Unauthorized | Fix API key (see above) |
| 402 | Payment required | Ensure wallet has BNKR on Base |
| 429 | Rate limited | Wait and retry |
| 500 | Server error | Retry after delay |
Troubleshooting Checklist
- API Key: Set, starts with
bk_, Claude Code restarted after setting - Network: Internet working, api.bankr.bot reachable
- For Trading: Wallet has sufficient balance, token exists on chain
Reporting Errors to Users
- State what went wrong simply
- Provide specific fix steps
- Avoid technical jargon
- Suggest alternatives
Example:
Your Bankr API key is not configured. To set it up:
1. Visit https://bankr.bot/api to create an API key
2. Set BANKR_API_KEY in your environment
3. Restart Claude Code