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If you are building a decentralized applications, chances are that you will need to query on-chain data. Since building a full indexer is not always feasible, the community has created a set of APIs that you can use to query data from the NEAR blockchain. These APIs provide a simple way to access on-chain data without having to run your own indexer or node. They are designed to be easy to use and provide a wide range of functionality, from querying account balances to exploring transactions and blocks.

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FastNEAR API

The FastNEAR API allows to easily query the NEAR blockchain to get an account’s assets, map keys into account IDs, explore a block’s transactions, etc. Possible use cases include:
  • Querying all assets of an account (including fungible and non-fungible tokens)
  • Querying the last block produced
  • Mapping Public Key to Account ID
  • Mapping Full Access Public Key to Account ID
  • Knowing a user’s staking pools (validators)
  • Querying the top holders of a token

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Examples

# Query user's FTs
curl https://api.fastnear.com/v1/account/root.near/ft

# Query user's NFTs
curl https://api.fastnear.com/v1/account/root.near/nft

# Query all user's assets
curl https://api.fastnear.com/v1/account/root.near/full

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NearBlocks API

NearBlocks API provides an endpoint to query actions that happened on a NEAR account, possible use cases include:
  • Query an account balance
  • Query all function calls to specific contract
  • Get total NEAR supply and circulating supply
  • Query the number of total transactions on NEAR

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Examples

# All the transactions where somebody called `create_drop` on Keypom
curl -X GET "https://api.nearblocks.io/v1/account/v2.keypom.near/txns?method=create_drop"

# All the times that `gagdiez.near` called `create_drop` on Keypom
curl -X GET "https://api.nearblocks.io/v1/account/v2.keypom.near/txns?method=create_drop&from=gagdiez.near"

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Pikespeak API

The Pikespeak API allows you to fetch blockchain events and aggregated analytics on wallets, validators, delegators, money transfers, dApps activity, and more. Use case includes:
  • Querying account balances
  • Querying the most active wallets
  • Querying historic account events
To access the Pikespeak API you’ll need to register and create an account. Once you’re registered, under the My Account page you can get your API key

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Examples

# Check the account balance for `root.near`:
curl -X GET https://api.pikespeak.ai/account/balance/root.near -H "accept: application/json" -H "x-api-key: YOUR-PIKESPEAK-API-KEY"

# Most active wallets NEAR senders
curl -X GET https://api.pikespeak.ai/hot-wallets/near -H "accept: application/json" -H "x-api-key: YOUR-PIKESPEAK-API-KEY"

# Get historic account events for `keypom.near`
curl -X GET https://api.pikespeak.ai/event-historic/keypom.near -H "accept: application/json" -H "x-api-key: YOUR-PIKESPEAK-API-KEY"

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The Graph

The Graph gives developers tools to process blockchain events and make the resulting data easily available via a GraphQL API, known individually as a subgraph. Graph Node is now able to process NEAR events, which means that NEAR developers can now build subgraphs to index their smart contracts.

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SubQuery

SubQuery: A fast, flexible, and reliable open-source data indexer that provides you with custom APIs for your web3 project across NEAR and many other chains