Solana Account Archive & Weekly Recap
Summary
Alchemy Builders weekly recap highlights the new Solana Account Archive for querying account state at any historical slot, an agent trading demo, the community call recording, and a Cortex router blog on fastest healthy nodes. This matters to developers and traders by enabling historical debugging, secure agent wallets, and improved node routing. Weekly calls every Wednesday 12 PM ET.
Hey Alchemy Fam! 
Happy Friday everyone!! This is the weekly recap! ||@Pingme ||
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Solana Account Archive: querying account state at any slot
getAccountInfo now built-in with slot, lastUpdateBeforeSlot, and firstUpdateAtSlot so you can query account state at any historical slot! 
๐ All the details here: https://www.alchemy.com/blog/solana-account-archive
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** What if your agent traded on it in real time? **
Uttam Singhk shows how to build it: https://x.com/Alchemy/status/2085362946423799848?s=20
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Community Call: Solana Account Archive overview
Missed the live session? 
Don't worry, we got you!
We covered how to give your coding agent a wallet without ever handing it a private key, using scoped, time-bound sessions.
Weโve got the recording right here ๐ 
๐ ๐๏ธ https://alchemybuilders.short.gy/T3BBhK
๐๏ธ Don't miss the next one! Every Wednesday 12 PM ET
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Fresh technical Blogs available! ๐ข
๐ The Cortex router: how we pick the fastest healthy node for every request
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Have a great weekend ahead, keep learning and building, and spend quality time with family and friends!! ๐
Happy Friday, Happy Weekend and Happy Building! 
Solana Account Archive: Query Account State at Any Slot | Alchemy
Query any Solana account at any historical slot with getAccountInfo. Never-pruned archive, microsecond median latency, built by replaying a year of Solana.
๐๏ธ News moves markets. What if your agent traded on it in real time?
@uttam_singhk shows how to build it:
- @PhoenixTrade for execution
- a live news feed
- your choice of model (Claude, ChatGPT)
- and of course, Alchemy for fast, reliable @solana RPC
X
Alchemy Builders Recordings | Notion
(Latest recordings on top)
The Cortex Router: Picking the Fastest Node | Alchemy
How Cortex routes every RPC request to the lowest-latency healthy node, holding a sub-15ms average response time across global regions and chains like Base.
