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Alchemy

36 operations0 webhooks

Blockchain development platform for Ethereum and Web3 apps, nodes, and APIs.

Supported operations

  • Compute Rarity V3Read-only

    Compute rarity for each attribute of an NFT.

  • Get Collection MetadataRead-only

    Get collection metadata by marketplace slug.

  • Get Collections For OwnerRead-only

    Get NFT collections held by an owner.

  • Get Contract Metadata Batch V3Read-only

    Batch-fetch NFT contract metadata.

  • Get Contract Metadata V3Read-only

    Get metadata for an NFT contract.

  • Get Contracts For Owner V3Read-only

    Get NFT contracts owned by an address.

  • Get Floor Price V3Read-only

    Get floor price across marketplaces.

  • Get Nft MetadataRead-only

    Get metadata for a specific NFT.

  • Get Nft Metadata BatchRead-only

    Batch-fetch NFT metadata (up to 100).

  • Get Nft Sales V3Read-only

    Get NFT sales across marketplaces.

  • Get Nfts For Collection V3Read-only

    Get NFTs for a collection slug or contract.

  • Get Nfts For ContractRead-only

    Get NFTs for a contract address.

  • Get Nfts For OwnerRead-only

    Get NFTs owned by an address.

  • Get Owners For CollectionRead-only

    Get owners for an NFT collection/contract.

  • Get Owners For ContractRead-only

    Get owners for an NFT contract.

  • Get Owners For Nft V3Read-only

    Get owners for a specific NFT.

  • Invalidate Contract V3Write

    Invalidate cached metadata for an NFT contract.

  • Is AirdropRead-only

    Check if an NFT token is marked as an airdrop.

  • Is Airdrop NftRead-only

    Check whether an NFT was airdropped to its owner.

  • Is Holder Of CollectionRead-only

    Check if a wallet owns any NFT from a collection/contract.

  • Is Holder Of ContractRead-only

    Check if a wallet holds any NFT from a contract.

  • Is Spam ContractRead-only

    Check if an NFT contract is marked as spam.

  • Is Spam Contract V3Read-only

    Check if an NFT contract is marked as spam (v3).

  • Search Contract Metadata V3Read-only

    Search NFT contract metadata by keywords.

  • Summarize Nft AttributesRead-only

    Summarize attribute distribution for a collection.

FAQ

Install corsair and @corsair-dev/alchemy, add the Alchemy plugin, and connect with an API key. Then call methods like corsair.alchemy.api.nft.computeRarityV3() from your app. Corsair syncs data per tenant.

Yes. Alchemy requires an API key from your Alchemy account or developer dashboard. Create credentials with access that matches what you automate, then paste them into Corsair or connect through managed auth in Hub.

Yes. One Corsair client can hit Alchemy, GitHub, Notion, Stripe, and the rest. Trigger Alchemy from a webhook, push updates to Slack, or chain actions across plugins. Same tenant context across integrations, plain TypeScript.

Teams use Corsair for blockchain development platform for ethereum and web3 apps, nodes, and apis. Common builds include sync jobs, admin tooling, and agents that call Alchemy APIs from your backend. Local DB entities let you query synced Alchemy records without hitting the API on every read.

The SDK is open source. Self-host and you pay Corsair nothing for the integration layer. Hub bills for hosted auth and execution, not per Alchemy API call. Hub has a generous free tier. For hobby projects you can probably run the whole thing on free. Paid plans start to matter with more tenants or heavier traffic.

We maintain @corsair-dev/alchemy in the open repo. When Alchemy ships API changes, upgrade the package. Your call sites stay typed. You should not need to rewrite the integration layer each time.

No. Corsair does not read your Alchemy data or hold individual access credentials. Credentials stay in your database. API calls run on your instance. We do not store Alchemy data on your behalf.