# Modular Cloud ## Docs - [Brand Guidelines](https://docs.modular.cloud/brand-guidelines.md): Modular Cloud's assets, logos, and brand guidelines. - [Hackathon](https://docs.modular.cloud/hackathon.md): Learn more about Modular Cloud's Infinite Bazaar hackathon prize. - [Return a list of token balances (ERC20/NFT/NATIVE) for a given account address](https://docs.modular.cloud/vm-api/evm/account-apis/return-token-balances-by-address.md) - [Return a list of transactions for a given account address](https://docs.modular.cloud/vm-api/evm/account-apis/return-transactions-by-address.md) - [Return a list of token transfer events for a given account address](https://docs.modular.cloud/vm-api/evm/account-apis/return-transfer-events-by-address.md) - [Describe a contract for a given contract address](https://docs.modular.cloud/vm-api/evm/contract-apis/describe-contract-by-address.md) - [Return a list of contract logs for a given contract address](https://docs.modular.cloud/vm-api/evm/contract-apis/return-logs-by-contract-address.md) - [Return a list of token owners for a given erc20 token address](https://docs.modular.cloud/vm-api/evm/erc20-token-apis/return-owners-by-erc20-token-address.md) - [Return a list of token transfer events for a given erc20 token address](https://docs.modular.cloud/vm-api/evm/erc20-token-apis/return-transfer-events-by-erc20-token-address.md) - [Return a list of nft collection for a given nft address](https://docs.modular.cloud/vm-api/evm/nft-apis/return-collections-by-nft-address.md) - [Return a list of nft owners for a given nft address](https://docs.modular.cloud/vm-api/evm/nft-apis/return-owners-by-nft-address.md) - [Get blocks by height](https://docs.modular.cloud/vm-api/move/blocks/get-blocks-by-height.md): This endpoint allows you to get the transactions in a block and the corresponding block information. - [Get blocks by version](https://docs.modular.cloud/vm-api/move/blocks/get-blocks-by-version.md): This endpoint allows you to get the transactions in a block and the corresponding block information given a version in the block. - [Get events by creation number](https://docs.modular.cloud/vm-api/move/events/get-events-by-creation-number.md): Event types are globally identifiable by an account `address` and monotonically increasing `creation_number`, one per event type emitted to the given account. This API returns events corresponding to that that event type. - [Get events by event handle](https://docs.modular.cloud/vm-api/move/events/get-events-by-event-handle.md): This API uses the given account `address`, `eventHandle`, and `fieldName` to build a key that can globally identify an event types. It then uses this key to return events emitted to the given account matching that event type. - [Get account transactions](https://docs.modular.cloud/vm-api/move/transactions/get-account-transactions.md): Retrieves on-chain committed transactions from an account. If the start version is too far in the past, a 410 will be returned. - [Get transaction by hash](https://docs.modular.cloud/vm-api/move/transactions/get-transaction-by-hash.md): Look up a transaction by its hash. This is the same hash that is returned by the API when submitting a transaction (see PendingTransaction). - [Get transaction by version](https://docs.modular.cloud/vm-api/move/transactions/get-transaction-by-version.md): Retrieves a transaction by a given version. If the version has been pruned, a 410 will be returned. - [Get transactions](https://docs.modular.cloud/vm-api/move/transactions/get-transactions.md): Retrieve on-chain committed transactions. The page size and start ledger version can be provided to get a specific sequence of transactions. - [Start Here](https://docs.modular.cloud/vm-api/start-here.md): Get started with Modular Cloud's blockchain data APIs today. ## OpenAPI Specs - [openapi](https://docs.modular.cloud/api-reference/openapi.json) - [evm](https://docs.modular.cloud/evm.yml) - [aptos](https://docs.modular.cloud/aptos.json) ## Optional - [Explorer](https://explorer.modular.cloud) - [Community](https://t.me/modularcloud)