Patch 11 (#965)

* Update faq.mdx

Added NFT info and other additional info, changed wording slightly in a few places

* Update faq.mdx

Added a section about 500: `bad_database_response` errors

Author: UrsaPolarisRecords

website/src/pages/en/token-api/faq.mdx

@@ -6,9 +6,17 @@ Get fast answers to easily integrate and scale with The Graph's high-performance
 
 ## General
 
-### What blockchains does the Token API support?
+### Which blockchains are supported by the Token API?
 
-Currently, the Token API supports Ethereum, Binance Smart Chain (BSC), Polygon, Optimism, Base, Unichain, and Arbitrum One.
+Currently, the Token API supports Ethereum, BNB Smart Chain (BSC), Polygon, Optimism, Base, Unichain, and Arbitrum One.
+
+### Does the Token API support NFTs?
+
+Yes, The Graph Token API currently supports ERC-721 and ERC-1155 NFT token standards, with support for additional NFT standards planned. Endpoints are offered for ownership, collection stats, metadata, sales, holders, and transfer activity.
+
+### Do NFTs include off-chain data?
+
+NFT endpoints currently only include on-chain data. To get off-chain data, use the IPFS or HTTP links included in the NFT item response.
 
 ### How do I authenticate requests to the Token API, and why doesn't my API key from The Graph Market work?
 
@@ -42,9 +50,9 @@ Yes, more blockchains will be supported in the future. Please share feedback on
 
 Yes, improvements to provide data closer to the chain head are planned. Feedback is welcome on [Discord](https://discord.gg/graphprotocol).
 
-### Are there plans to support additional use cases such as NFTs?
+### Are there plans to support additional use cases?
 
-Support for NFT endpoints is coming soon. The Graph ecosystem is actively determining the [roadmap](https://thegraph.com/blog/token-api-the-graph/) for additional use cases. Please provide feedback on specific features you would like prioritized on [Discord](https://discord.gg/graphprotocol).
+The Graph ecosystem is actively determining the [roadmap](https://thegraph.com/blog/token-api-the-graph/) for additional use cases. Please provide feedback on specific features you would like prioritized on [Discord](https://discord.gg/graphprotocol).
 
 ## MCP / LLM / AI Topics
 
@@ -68,9 +76,17 @@ You can find the code for the MCP client in [The Graph's repo](https://github.co
 
 Check that you included the `Authorization: Bearer <jwt>` header with the correct, non-expired token. Common issues include using the API key instead of generating a new JWT, forgetting the "Bearer" prefix, using an incorrect token, or omitting the header entirely. Ensure you copied the JWT exactly as provided by The Graph Market.
 
+### Why am I getting 500 errors?
+
+Networks that are currently or temporarily unavailable on a given endpoint will return a `bad_database_response`, `Endpoint is currently not supported for this network` error. Databases that are in the process of ingestion will produce this response.
+
 ### Are there rate limits or usage costs?
 
-During Beta, the Token API is free for authorized developers. While specific rate limits aren't documented, reasonable throttling exists to prevent abuse. High request volumes may trigger HTTP 429 errors. Monitor official announcements for future pricing changes after Beta.
+During Beta, the Token API is free for authorized developers. There are no specific rate limits, but reasonable throttling exists to prevent abuse. High request volumes may trigger HTTP 429 errors. Monitor official announcements for future pricing changes after Beta.
+
+### What do I do if I notice data inconsistencies in the data returned by the Token API?
+
+If you notice data inconsistencies, please report the issue on our [Discord](https://discord.gg/graphprotocol). Identifying edge cases can help make sure all data is accurate and up-to-date.
 
 ### How do I specify a network?