Is Fauna Down Right Now?
Developer guide to Fauna serverless database status — check FQL query API, HTTP endpoint, and dashboard availability. Error codes, FQL debugging, and v4 vs v10 migration notes.
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Check Fauna Status
Fauna maintains a real-time status page for all platform services:
Fauna Platform Components
Fauna is a distributed serverless database with a functional query language (FQL). Understanding its components helps diagnose outages:
FQL query execution endpoint
REST-like HTTP API for database operations
Official @fauna/fauna client library
Web UI at dashboard.fauna.com
Query indexes for efficient data access
Document storage with schema validation
Reusable FQL functions stored in the database
Fine-grained access control with ABAC
Get alerted when Fauna impacts your app
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Try Better Stack Free →Common Fauna Errors & Fixes
unauthorizedInvalid or missing database secretFix: Verify FAUNA_SECRET in your environment; regenerate from dashboard.fauna.com
invalid_queryFQL syntax error in your queryFix: Check FQL syntax — v10 syntax differs from v4; review the error position in the response
not_foundCollection, document, or index does not existFix: Verify collection and document names; check you are connecting to the right database
constraint_failureUnique constraint violation on writeFix: Check unique indexes on your collection; handle this error to show users a duplicate error
limit_exceededRead/write throughput or storage limit reachedFix: Optimize queries to reduce ops count; add indexes; consider upgrading your plan
timeoutQuery exceeded the allowed execution timeFix: Simplify the query; add indexes; break large operations into smaller transactions
⚠️ FaunaDB v4 vs Fauna v10
Fauna v10 is a completely new product with incompatible FQL syntax. Many errors come from mixing v4 and v10 code.
- ✅ v10 uses
@fauna/faunapackage (notfaunadb) - ✅ v10 endpoint:
https://db.fauna.com - ✅ v4 endpoint:
https://db.fauna.com(same, but different auth) - ✅ FQL v10 syntax uses arrow functions, not functional composition
- ✅ Your database version determines which SDK to use — check dashboard.fauna.com
Troubleshooting Fauna Issues
Check status.fauna.com first
If all queries are failing simultaneously, check Fauna's status page. An infrastructure incident will affect all databases — no client-side fix will work during an outage.
Verify SDK version matches database version
A common cause of errors: using the v4 faunadb npm package against a v10 database (or vice versa). Check your package.json and match it to your database version.
Use the Fauna Dashboard Shell
Go to dashboard.fauna.com → your database → Shell. Run FQL queries directly against your database to isolate whether the issue is in your query code or your application layer.
Monitor error rates in production
Use Better Stack or Sentry to track Fauna query error rates. A sudden spike indicates an infrastructure issue before it appears on the status page.
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Frequently Asked Questions
Is Fauna down right now?
To check if Fauna is down, visit the official Fauna status page at status.fauna.com. Fauna reports status for their query API, HTTP endpoint, and dashboard. Subscribe to status updates for real-time incident notifications.
Why are Fauna FQL queries failing?
Fauna FQL query failures can be caused by: (1) Fauna infrastructure incident — check status.fauna.com, (2) Invalid or expired secret key, (3) FQL syntax errors — Fauna v10 uses a different syntax from v4, (4) Rate limit exceeded for your plan, (5) Attempting to access a database or collection that doesn't exist. Check the error response body for a detailed error code and message.
What is the difference between Fauna v4 and v10?
Fauna v10 (released 2023) is a major rewrite with a new FQL syntax that is incompatible with v4 FQL. Key differences: (1) v10 uses JavaScript-like arrow functions instead of v4's functional syntax, (2) v10 has a new TypeScript SDK (@fauna/fauna), (3) v10 has better performance and a simpler pricing model, (4) v4 databases cannot be automatically migrated to v10. If you are seeing unexpected query errors, verify your code is using the SDK version that matches your database version.
Why is Fauna returning a 429 rate limit error?
Fauna enforces read and write operation limits per plan. A 429 response means you have exceeded your plan's throughput. To handle rate limiting: (1) Implement exponential backoff and retry on 429 responses, (2) Use Fauna indexes to reduce the number of read operations per query, (3) Cache frequently read data at the application layer, (4) Consider upgrading your Fauna plan if throughput is consistently hitting limits.
How do I migrate from FaunaDB v4 to Fauna v10?
Migrating from Fauna v4 to v10 requires: (1) Creating a new v10 database — you cannot upgrade in place, (2) Rewriting all FQL queries using the new v10 syntax, (3) Using the new @fauna/fauna TypeScript SDK, (4) Exporting data from v4 and importing to v10, (5) Updating environment variables to use the new endpoint. Fauna provides a migration guide in their documentation. Test thoroughly in a dev environment before switching production.
🌐 Can't Access Fauna?
If Fauna is working for others but not for you, it might be an ISP or regional issue. A VPN can help bypass network-level blocks and routing problems.
Troubleshoot with a VPN
Connect from a different region to test if the issue is local to your network. Also protects your connection on public Wi-Fi.
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