> For the complete documentation index, see [llms.txt](https://developers.docs.bantufoundation.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.docs.bantufoundation.org/api/errors/http-status-codes/horizon-specific/index.md).

# Index

These responses are specific to how a Horizon server is set up and how transactions should be formed.

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Expansion-Specific Status Codes

| [Transaction Failed](https://developers.stellar.org/api/errors/http-status-codes/horizon-specific/transaction-failed/)       |   |
| ---------------------------------------------------------------------------------------------------------------------------- | - |
| [Transaction Malformed](https://developers.stellar.org/api/errors/http-status-codes/horizon-specific/transaction-malformed/) |   |
| [Before History](https://developers.stellar.org/api/errors/http-status-codes/horizon-specific/before-history/)               |   |
| [Stale History](https://developers.stellar.org/api/errors/http-status-codes/horizon-specific/stale-history/)                 |   |
| [Timeout](https://developers.stellar.org/api/errors/http-status-codes/horizon-specific/timeout/)                             |   |
