Stay in touch with new updates and improvements in the Alchemy ecosystem.
Upcoming deprecations
degen-mainnet) — Alchemy support ends on August 31, 2026. The Degen team is sunsetting Degen Chain to focus on social products within the Base ecosystem. Bridge any assets off degen-mainnet before the cutoff. See the Degen Mainnet Deprecation Notice.Smart Accounts
SemiModularAccount7702 v1.1.0 is now deployed on all supported networks and available in the aa-sdk. This version adds a fallback signature path so signatures from the underlying EOA are accepted alongside the account's default signer.SemiModularAccount7702 v1.1.0 is now the default delegation used when creating new 7702 accounts via the Wallet APIs. Existing on-chain delegations keep their current version and are not upgraded in place unless a new version is explicitly requested at deploy time.Gas Manager
Admin API
Upgrades
To streamline and improve the NFT API, Alchemy is sunsetting a small set of redundant endpoints — both their V2 and V3 versions — on September 30, 2026. Most have a direct V3 replacement already available. Until then, these endpoints continue to serve traffic; existing callers should migrate before the shutdown.
| Being removed on Sept 30, 2026 | If you still need it, use instead |
|---|---|
getCollectionsForOwner (V2 + V3) | V3 getContractsForOwner |
getCollectionMetadata (V2 + V3) | V3 getContractMetadata |
isHolderOfCollection (V2), isHolderOfContract (V3) | V3 getNFTsForOwner |
getSpamContracts (V2 + V3) | V3 isSpamContract. Spam flags are also returned inline on V3 getNFTsForOwner / getNFTsForContract. |
searchContractMetadata (V2 + V3) | V3 getContractMetadata |
summarizeNftAttributes (V2), summarizeNFTAttributes (V3) | Aggregate collection traits via V3 getNFTsForContract |
computeRarity (V2 + V3) | Aggregate collection traits via V3 getNFTsForContract |
invalidateContract (V2 + V3) | No action needed; V3 refreshNftMetadata remains available |
isAirdrop (V2), isAirdropNFT (V3) | No direct replacement. Reach out to Alchemy support for guidance. |
getNFTSales (V2 + V3) | No direct replacement. Reach out to Alchemy support for guidance. |
See the NFT API Endpoints overview for the current supported list.
Have feedback on this deprecation, or need help planning your migration? Reach out to Alchemy support and we'll work with you to find the right path forward.
Solana
sendTransaction to the paymaster's simulation slot.confirmed Solana state, reducing failures caused by stale account data.alchemy_requestFeePayer guidance: simulationSlot is intended for paymaster simulation only and should not be reused when submitting the transaction, helping integrators avoid stale-state failures.Dashboard
Upgrades
Upgrades
Upgrades
Wallet APIs
eth_getLogs unlimited block-range list, removing the default range limit for event and log queries.Upgrades
Solana
alchemy_requestFeePayer where unusual instruction data could cause an error during transaction parsing.Upcoming deprecations
botanix-mainnet, botanix-testnet) — Alchemy support ends on August 1, 2026. The Botanix team is shutting down both networks. See the Botanix Deprecation Notice.erigon_* namespace along with trace_filter, trace_get, and trace_rawTransaction will no longer be available on polygon-mainnet or polygon-amoy, and Bor supports eth_getProof only for the latest 128 blocks. The remaining trace_* methods (trace_block, trace_transaction, trace_call, trace_callMany, trace_replayTransaction, trace_replayBlockTransactions) will continue to be available, served by Bor. See the Polygon PoS Erigon Client Deprecation Notice for the full migration guide.Wallet APIs
wallet_sendPreparedCalls now returns a clear validation error when a call's data field is empty, instead of failing unexpectedly.Alchemy CLI
Upgrades
Wallet APIs
Upgrades