diff --git a/content/api-reference/solana/account-archive.mdx b/content/api-reference/solana/account-archive.mdx index 8133c8d29..9b70bbb69 100644 --- a/content/api-reference/solana/account-archive.mdx +++ b/content/api-reference/solana/account-archive.mdx @@ -5,6 +5,10 @@ subtitle: Answer "what did this account look like at slot N" with a single getAc slug: docs/solana/account-archive --- + + The historical parameters (`slot`, `lastUpdateBeforeSlot`, and `firstUpdateAfterSlot`) are available on **paid plans only** (pay-as-you-go and enterprise). Free-tier accounts cannot use these parameters. [Upgrade your account](https://dashboard.alchemy.com/settings/billing) to enable historical reads. + + Solana Account Archive answers `getAccountInfo` for any Solana account at any historical slot (vote accounts and per-slot sysvars excepted), with a deep, ever-growing window of historical coverage that is never pruned. Use the `slot` parameter to read state at a point in time, or `lastUpdateBeforeSlot` and `firstUpdateAfterSlot` to walk an account's update history. Reads are served with median latency in the microseconds. ## Solana only remembers the present