FASTNEAR API

The low-latency API for wallets and explorers.

Overview

APIs:

Public Key to Account ID(s) mapping.

Full Access Public Key to Account ID(s) mapping.
Any Public Key to Account ID(s) mapping.

Account ID to delegated staking pools (validators).
Account ID to fungible tokens (FT contracts).
Account ID to non-fungible tokens (NFT contracts).
Token ID to top 100 accounts by balance (for FT contracts).
Account ID to full info (validators, FT, NFT and account state).

Endpoints:

Mainnet: https://api.fastnear.com
Testnet: https://test.api.fastnear.com

Status

You can check status of the API server.

GET /status

https://api.fastnear.com/status

curl https://api.fastnear.com/status

Example Result:

{
  "sync_balance_block_height": 129734103,
  "sync_block_height": 129734103,
  "sync_block_timestamp_nanosec": "1728256282197171397",
  "sync_latency_sec": 4.671730603,
  "version": "0.10.0"
}

Health

Returns the health status of the API server.

GET /health

https://api.fastnear.com/health

curl https://api.fastnear.com/health

Example Result (for healthy):

{
  "status": "ok"
}

API V1

In API V1, the API endpoints provide extra details about the contracts. E.g. the block height when the last change was made on a contract that affected a given account, or a token balance.

Token ID to top 100 accounts by balance (for FT contracts).

Returns the list of account IDs for a given fungible tokens (FT) contract ordered by decreasing FT balance. Each account result includes the following:

account_id - the account ID.
balance - the last known balance of the account for this token.

Notes:

the balance will be returned as a decimal integer string, e.g. "100".

GET /v1/ft/{token_id}/top

Example: https://api.fastnear.com/v1/ft/first.tkn.near/top

curl https://api.fastnear.com/v1/ft/first.tkn.near/top

Result:

{
  "token_id": "first.tkn.near",
  "accounts": [
    {
      "account_id": "mob.near",
      "balance": "979894691374420631019486155"
    },
    {
      "account_id": "lucky-bastard.near",
      "balance": "10319841074196024761995069"
    },
    {
      "account_id": "mattlock.near",
      "balance": "9775084808910328058513245"
    },
    {
      "account_id": "ref-finance.near",
      "balance": "10290906529190035816723"
    },
    {
      "account_id": "zilulagg.near",
      "balance": "91835943826124178808"
    },
    {
      "account_id": "kotleta.near",
      "balance": "10000"
    },
    {
      "account_id": "ryanmehta.near",
      "balance": "0"
    }
  ]
}

Account ID to delegated staking pools (validators).

Returns the list of staking pools that the account has delegated to in the past, including the block height when the last change was made on the staking pool by the account.

Note, if the last_update_block_height is null, then no recent updates were made.

GET /v1/account/{account_id}/staking

Example: https://api.fastnear.com/v1/account/mob.near/staking

curl https://api.fastnear.com/v1/account/mob.near/staking

Result:

{
  "account_id": "mob.near",
  "pools": [
    {
      "last_update_block_height": 114976469,
      "pool_id": "zavodil.poolv1.near"
    },
    {
      "last_update_block_height": null,
      "pool_id": "usn.pool.near"
    },
    {
      "last_update_block_height": null,
      "pool_id": "usn-unofficial.pool.near"
    },
    {
      "last_update_block_height": null,
      "pool_id": "epic.poolv1.near"
    },
    {
      "last_update_block_height": 114976560,
      "pool_id": "here.poolv1.near"
    }
  ]
}

Account ID to fungible tokens (FT contracts).

Returns the list of fungible tokens (FT) contracts that the account may have. Each token result includes the following:

contract_id - the account ID of the fungible token contract.
last_update_block_height - the block height when the last change was made on the contract that affected this given account.
balance - the last known balance of the account for this token.

Notes:

if the last_update_block_height is null, then no recent updates were made. The last update block height change was enabled around block 115000000.
the balance will be returned as a decimal integer string, e.g. "100".
the balance is not adjusted to the decimals in the FT metadata, it's the raw balance as stored in the contract.
if the balance is null, then the balance is not available yet. It's likely will be updated soon (within a few seconds).
if the balance is empty string (""), then the account fungible token contract might be broken, because it didn't return the proper balance.

GET /v1/account/{account_id}/ft

Example: https://api.fastnear.com/v1/account/here.tg/ft

curl https://api.fastnear.com/v1/account/here.tg/ft

Result:

{
  "account_id": "here.tg",
  "tokens": [
    {
      "balance": "10000",
      "contract_id": "game.hot.tg",
      "last_update_block_height": 115615375
    },
    {
      "balance": "81000",
      "contract_id": "usdt.tether-token.near",
      "last_update_block_height": null
    }
  ]
}

Account ID to non-fungible tokens (NFT contracts).

Returns the list of non-fungible tokens (NFT) contracts that the account has interacted with or received, including the block height when the last change was made on the contract that affected this given account.

Note, if the last_update_block_height is null, then no recent updates were made.

GET /v1/account/{account_id}/nft

Example: https://api.fastnear.com/v1/account/sharddog.near/nft

curl https://api.fastnear.com/v1/account/sharddog.near/nft

Result:

{
  "account_id": "sharddog.near",
  "tokens": [
    {
      "contract_id": "mint.sharddog.near",
      "last_update_block_height": 115034954
    },
    {
      "contract_id": "open.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "humansofbrazil.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "nft.bluntdao.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "ndcconstellationnft.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "mmc.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "nft.genadrop.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "harvestmoon.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "comic.sharddog.near",
      "last_update_block_height": 114988538
    },
    {
      "contract_id": "meteor.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "nstreetwolves.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "starpause.mintbase1.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "rubenm4rcusstore.mintbase1.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "rogues-genesis.nfts.fewandfar.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "nft.regens.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "mmc-mint.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "badges.devhub.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "secretnft.devhub.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "giveaway.mydev.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "mintv2.sharddog.near",
      "last_update_block_height": 114973604
    },
    {
      "contract_id": "nearvidia.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "claim.sharddog.near",
      "last_update_block_height": 115039779
    }
  ]
}

Account ID to full info (validators, FT, NFT and account state)

Returns the full information about the account, including the following:

Delegated staking pools (validators).
Fungible tokens (FT) contracts and balances.
Non-fungible tokens (NFT) contracts.
Account state (balance, locked balance, storage usage).

GET /v1/account/{account_id}/full

Example: https://api.fastnear.com/v1/account/here.tg/full

curl https://api.fastnear.com/v1/account/here.tg/full

Result:

{
  "account_id": "here.tg",
  "nfts": [
    {
      "contract_id": "harvestmoon.sharddog.near",
      "last_update_block_height": null
    },
    {
      "contract_id": "nft.hot.tg",
      "last_update_block_height": 115282010
    },
    {
      "contract_id": "nearvoucherstore.mintbase1.near",
      "last_update_block_height": 118841842
    },
    {
      "contract_id": "nearreward.mintbase1.near",
      "last_update_block_height": 121969370
    }
  ],
  "pools": [
    {
      "last_update_block_height": null,
      "pool_id": "here.poolv1.near"
    }
  ],
  "state": {
    "balance": "240420562203528059226991880",
    "locked": "0",
    "storage_bytes": 26340
  },
  "tokens": [
    {
      "balance": "9990",
      "contract_id": "game.hot.tg",
      "last_update_block_height": 123971814
    },
    {
      "balance": "10283000",
      "contract_id": "usdt.tether-token.near",
      "last_update_block_height": 116301157
    },
    {
      "balance": "0",
      "contract_id": "aurora",
      "last_update_block_height": 118627759
    },
    {
      "balance": "2318000000000000",
      "contract_id": "c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2.factory.bridge.near",
      "last_update_block_height": 118667336
    },
    {
      "balance": "10000000000000000000",
      "contract_id": "nearrewards.near",
      "last_update_block_height": 118842567
    },
    {
      "balance": "8999999999899999",
      "contract_id": "wbnb.hot.tg",
      "last_update_block_height": 121310030
    },
    {
      "balance": "",
      "contract_id": "v1.omni.hot.tg",
      "last_update_block_height": 128025061
    }
  ]
}

API V0

Full Access Public Key to Account ID mapping.

Returns the list of account IDs that are associated with the full-access public key.

Note, the API will also return an implicit account ID for the public key, even if the implicit account might not exist.

GET /v0/public_key/{public_key}

Example: https://api.fastnear.com/v0/public_key/ed25519:FekbqN74kXhVPRd8ysAqJwLydFvTPYh7ZXHmhqCETcR3

curl https://api.fastnear.com/v0/public_key/ed25519:FekbqN74kXhVPRd8ysAqJwLydFvTPYh7ZXHmhqCETcR3

Result:

{
  "account_ids": [
    "root.near",
    "d9af67ff794a93e05bdba5c25ad7af027d72b3b76823051c0fb4b6e3e79ac51e"
  ],
  "public_key": "ed25519:FekbqN74kXhVPRd8ysAqJwLydFvTPYh7ZXHmhqCETcR3"
}

Any Public Key to Account ID mapping.

Returns the list of account IDs that are associated with this public key, including limited access keys.

Note, the API will also return an implicit account ID for the public key, even if the implicit account might not exist.

GET /v0/public_key/{public_key}/all

Example: https://api.fastnear.com/v0/public_key/ed25519:HLcgpHWRn3ij97JfpPNYDScMXVguWSFH1mR58RB7qPpd/all

curl https://api.fastnear.com/v0/public_key/ed25519:HLcgpHWRn3ij97JfpPNYDScMXVguWSFH1mR58RB7qPpd/all

Result:

{
  "account_ids": [
    "root.near",
    "f2c160840040d637041a5dc63eeb23b8aae41a79fc9b0f2d8df07adb613d1d82"
  ],
  "public_key": "ed25519:HLcgpHWRn3ij97JfpPNYDScMXVguWSFH1mR58RB7qPpd"
}

Account ID to delegated staking pools (validators).

Returns the list of staking pools that the account has delegated to in the past.

Deprecated in favor of API V1.

GET /v0/account/{account_id}/staking

Example: https://api.fastnear.com/v0/account/root.near/staking

curl https://api.fastnear.com/v0/account/root.near/staking

Result:

{
  "account_id": "root.near",
  "pools": [
    "ashert.poolv1.near"
  ]
}

Account ID to fungible tokens (FT contracts).

Returns the list of fungible tokens (FT) contracts that the account has interacted with or received.

Deprecated in favor of API V1.

GET /v0/account/{account_id}/ft

Example: https://api.fastnear.com/v0/account/root.near/ft

curl https://api.fastnear.com/v0/account/root.near/ft

Result:

{
  "account_id": "root.near",
  "contract_ids": [
    "pixeltoken.near",
    "ndc.tkn.near",
    "meta-pool.near",
    "coin.asac.near",
    "cheems.tkn.near",
    "baby.tkn.near",
    "meteor-points.near",
    "9aeb50f542050172359a0e1a25a9933bc8c01259.factory.bridge.near",
    "meta-token.near",
    "c.tkn.near",
    "bobo.tkn.near",
    "gold.l2e.near",
    "usn",
    "token.lonkingnearbackto2024.near",
    "utopia.secretskelliessociety.near",
    "wnear-at-150-0.wentokensir.near",
    "v3.oin_finance.near",
    "adtoken.near",
    "nearbit.tkn.near",
    "mvp.tkn.near",
    "youwon500neartoclaimyourgainwwwlotte.laboratory.jumpfinance.near",
    "wnear-150-0000.wentokensir.near",
    "fx.tkn.near",
    "1.laboratory.jumpfinance.near",
    "zod.near",
    "a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48.factory.bridge.near",
    "kusama-airdrop.near",
    "blackdragon.tkn.near",
    "congratulations.laboratory.jumpfinance.near",
    "wrap.near",
    "avb.tkn.near",
    "ftv2.nekotoken.near",
    "superbot.near",
    "fusotao-token.near",
    "deezz.near",
    "ser.tkn.near",
    "near-20-0000.wentokensir.near",
    "aurora.tkn.near",
    "f5cfbc74057c610c8ef151a439252680ac68c6dc.factory.bridge.near",
    "nearkat.tkn.near",
    "youwon500neartoclaimyourgainwwwnearl.laboratory.jumpfinance.near"
  ]
}

Account ID to non-fungible tokens (NFT contracts).

Returns the list of non-fungible tokens (NFT) contracts that the account has interacted with or received.

Deprecated in favor of API V1.

GET /v0/account/{account_id}/nft

Example: https://api.fastnear.com/v0/account/root.near/nft

curl https://api.fastnear.com/v0/account/root.near/nft

Result:

{
  "account_id": "root.near",
  "contract_ids": [
    "nft.goodfortunefelines.near",
    "genadrop-contract.nftgen.near",
    "paulcrans.mintbase1.near",
    "mailgun.near",
    "citizen.bodega-lab.near",
    "avtr.near",
    "comic.paras.near",
    "spin-nft-contract.near",
    "ambernft.near",
    "ndcconstellationnft.sharddog.near",
    "learnernft.learnclub.near",
    "freedom.mintbase1.near",
    "nshackathon2022.mintbase1.near",
    "near-punks.near",
    "mint.sharddog.near",
    "nft.genadrop.near",
    "nearnautsnft.near",
    "roughcentury.mintbase1.near",
    "chatgpt.mintbase1.near",
    "tonic_goblin.enleap.near",
    "nft.greedygoblins.near",
    "nep172.nfnft.near",
    "nearcrashnft.near",
    "yearoftherabbit.near",
    "nft-message.nearkits.near",
    "famdom1.nearhubonline.near",
    "nft.widget.near",
    "nearmailbot.near",
    "harvestmoon.sharddog.near",
    "pcards.near",
    "kaizofighters.tenk.near",
    "hot-or-bot.near",
    "nearnauts.mintbase1.near",
    "dotdot.mintbase1.near",
    "qstienft.near",
    "yuzu.recurforever.near",
    "serumnft.near",
    "pack.pack_minter.playible.near",
    "nearcon.mintbase1.near",
    "seoul2020.snft.near",
    "astropup.near",
    "nearnautnft.near",
    "kashmirthroughmylens.mintbase1.near",
    "nearmixtapev1beatdao.mintbase1.near",
    "rtrpkp.mintbase1.near",
    "ouchworld.mintbase1.near",
    "beenftofficial.near",
    "pluminite.near",
    "tigercheck4.near",
    "misfits.tenk.near",
    "nearcon2.mintbase1.near",
    "jwneartokens.mintbase1.near",
    "mmc.nfts.fewandfar.near",
    "nft-v2.keypom.near",
    "proof-of-memories-nearcon-2022.snft.near",
    "cartelgen1.neartopia.near",
    "reginamintbase.mintbase1.near",
    "nearpay-portals.near",
    "near-x-sailgp-f50-fan-token.snft.near",
    "starbox.herewallet.near",
    "mmc-pups.nfts.fewandfar.near",
    "root.mintbase1.near",
    "undead.secretskelliessociety.near",
    "asac.near",
    "x.paras.near",
    "athlete.nfl.playible.near"
  ]
}

Name		Name	Last commit message	Last commit date
Latest commit History 50 Commits
src		src
.gitignore		.gitignore
Cargo.toml		Cargo.toml
README.md		README.md
run.sh		run.sh

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FASTNEAR API

Overview

Status

Health

API V1

Token ID to top 100 accounts by balance (for FT contracts).

Account ID to delegated staking pools (validators).

Account ID to fungible tokens (FT contracts).

Account ID to non-fungible tokens (NFT contracts).

Account ID to full info (validators, FT, NFT and account state)

API V0

Full Access Public Key to Account ID mapping.

Any Public Key to Account ID mapping.

Account ID to delegated staking pools (validators).

Account ID to fungible tokens (FT contracts).

Account ID to non-fungible tokens (NFT contracts).

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FASTNEAR API

Overview

Status

Health

API V1

Token ID to top 100 accounts by balance (for FT contracts).

Account ID to delegated staking pools (validators).

Account ID to fungible tokens (FT contracts).

Account ID to non-fungible tokens (NFT contracts).

Account ID to full info (validators, FT, NFT and account state)

API V0

Full Access Public Key to Account ID mapping.

Any Public Key to Account ID mapping.

Account ID to delegated staking pools (validators).

Account ID to fungible tokens (FT contracts).

Account ID to non-fungible tokens (NFT contracts).

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