flexport-common-errors

Testing & Quality

Diagnose and fix common Flexport API errors including HTTP status codes, webhook failures, and data validation issues. Trigger: "flexport error", "fix flexport", "flexport not working", "debug flexport API".

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Source SKILL.md: https://github.com/jeremylongshore/claude-code-plugins-plus-skills/blob/HEAD/plugins/saas-packs/flexport-pack/skills/flexport-common-errors/SKILL.md

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Flexport Common Errors

Overview

Quick reference for the most common Flexport API v2 errors. The API returns standard HTTP codes with JSON error bodies containing code, message, and sometimes details fields.

Error Reference

401 Unauthorized — Invalid or Missing API Key

{ "error": { "code": "UNAUTHORIZED", "message": "Invalid API key" } }

Causes: Missing Authorization header, expired JWT token, revoked API key.

Fix:

# Verify key is set
echo $FLEXPORT_API_KEY | head -c 10
# Test with cURL
curl -s -o /dev/null -w "%{http_code}" \
  -H "Authorization: Bearer $FLEXPORT_API_KEY" \
  -H "Flexport-Version: 2" \
  https://api.flexport.com/shipments?per=1

403 Forbidden — Insufficient Permissions

Causes: API key lacks required scope, IP whitelist blocking, sandbox key used on production.

Fix: Check key permissions in Flexport Portal > Settings > Developer. Ensure key scope includes the endpoint you are calling.

404 Not Found — Resource Does Not Exist

{ "error": { "code": "NOT_FOUND", "message": "Shipment shp_xxx not found" } }

Causes: Wrong ID format, resource deleted, using test ID in production.

Fix: List resources first to get valid IDs:

curl -s -H "Authorization: Bearer $FLEXPORT_API_KEY" \
     -H "Flexport-Version: 2" \
     https://api.flexport.com/shipments?per=1 | jq '.data.records[0].id'

422 Unprocessable Entity — Validation Failed

{ "error": { "code": "VALIDATION_ERROR", "message": "Invalid port code", "details": [...] } }

Common validation failures:

Field	Issue	Fix
`origin_port.code`	Not a valid UN/LOCODE	Use `CNSHA`, `USLAX`, `DEHAM` format
`hs_code`	Wrong format	Use 6-10 digit codes like `8479.89`
`cargo_ready_date`	In the past	Use future ISO date
`freight_type`	Unsupported value	Use `ocean`, `air`, or `trucking`
`incoterm`	Invalid	Use `FOB`, `CIF`, `EXW`, `DDP`

429 Too Many Requests — Rate Limited

{ "error": { "code": "RATE_LIMITED", "message": "Rate limit exceeded" } }

Fix: Check response headers and back off:

function handleRateLimit(res: Response): number {
  const retryAfter = res.headers.get('Retry-After');
  const remaining = res.headers.get('X-RateLimit-Remaining');
  console.log(`Rate limited. Remaining: ${remaining}. Retry after: ${retryAfter}s`);
  return parseInt(retryAfter || '60') * 1000;
}

500/502/503 — Server Errors

Causes: Flexport internal issue, maintenance window, upstream provider failure.

Fix:

# Check Flexport status page
curl -s https://status.flexport.com/api/v2/status.json | jq '.status'

Retry with exponential backoff for transient 5xx errors. See flexport-rate-limits.

Diagnostic Script

#!/bin/bash
echo "=== Flexport Diagnostics ==="
echo "API Key set: ${FLEXPORT_API_KEY:+YES}"
echo "Key prefix: ${FLEXPORT_API_KEY:0:8}..."
echo -n "API status: "
curl -s -o /dev/null -w "%{http_code}" \
  -H "Authorization: Bearer $FLEXPORT_API_KEY" \
  -H "Flexport-Version: 2" \
  https://api.flexport.com/shipments?per=1
echo ""
echo -n "Status page: "
curl -s https://status.flexport.com/api/v2/status.json | jq -r '.status.description'

Escalation Path

Run diagnostic script above
Collect request ID from response headers (X-Request-Id)
Check Flexport Status
Contact Flexport support with request ID and error details

Resources

Next Steps

For comprehensive debugging, see flexport-debug-bundle.