# Services from x402.tzkt.io on Zero

> x402.tzkt.io serves 44 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/x402.tzkt.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.tzkt.io/health.json

## Services

- [TzKT Token Transfers API](https://www.zero.xyz/c/tzkt-token-transfers-api-a6fad5da/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos token transfer records, filterable by sender, recipient, contract, token ID, amount, block level, and timestamp.
- [TzKT Tokens List API](https://www.zero.xyz/c/tzkt-tokens-list-api-ecd7e892/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos tokens indexed on-chain, filterable by contract, token ID, and token standard
- [TzKT Tezos Account Balance API](https://www.zero.xyz/c/tzkt-tezos-account-balance-api-c18e38ff/llms.txt): $0.002/call via x402. Returns the current XTZ balance of a specific Tezos account address
- [TzKT Originations API](https://www.zero.xyz/c/tzkt-originations-api-1b3f1cca/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos smart contract origination operations from the TzKT blockchain indexer
- [TzKT Tezos Network Statistics API](https://www.zero.xyz/c/tzkt-tezos-network-statistics-api-aeac4849/llms.txt): $0.002/call via x402. Returns historical and current Tezos network-wide statistics including supply, transaction volume, and chain activity metrics
- [TzKT Balance History at Block](https://www.zero.xyz/c/tzkt-balance-history-at-block-249e3e74/llms.txt): $0.002/call via x402. Retrieves the historical balance of a Tezos account at a specific blockchain block level
- [TzKT Bigmaps API](https://www.zero.xyz/c/tzkt-bigmaps-api-adf7808c/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos smart contract bigmaps, filterable by contract address, storage path, and active status
- [TzKT Cyclic Statistics API](https://www.zero.xyz/c/tzkt-cyclic-statistics-api-8f41227a/llms.txt): $0.002/call via x402. Returns per-cycle aggregate statistics for the Tezos blockchain, such as block counts, rewards, fees, and staking data, filterable by cycle number.
- [TzKT Tezos Account Delegators Lookup](https://www.zero.xyz/c/tzkt-tezos-account-delegators-lookup-77f9e8e0/llms.txt): $0.002/call via x402. Returns the list of delegators (accounts that have delegated their stake) for a given Tezos baker/delegate address
- [TzKT Blocks Count](https://www.zero.xyz/c/tzkt-blocks-count-3c3ac08c/llms.txt): $0.002/call via x402. Returns the total number of blocks on the Tezos blockchain
- [TzKT Tezos Block Lookup by Level](https://www.zero.xyz/c/tzkt-tezos-block-lookup-by-level-1e52b02b/llms.txt): $0.002/call via x402. Retrieve detailed metadata for a specific Tezos blockchain block by its level number, including fees, baker, reward, and timestamp
- [TzKT API – Tezos Account Activation Operations](https://www.zero.xyz/c/tzkt-api-tezos-account-activation-operations-ee059aff/llms.txt): $0.002/call via x402. Fetches a list of account activation operations on the Tezos blockchain, filterable by block level, account, and paginated.
- [TzKT Accounts List API](https://www.zero.xyz/c/tzkt-accounts-list-api-5d2b1deb/llms.txt): $0.002/call via x402. Fetches a paginated, filterable list of Tezos blockchain accounts including users, delegates, contracts, and rollups with their balances and metadata.
- [TzKT Token Balances API](https://www.zero.xyz/c/tzkt-token-balances-api-a128d621/llms.txt): $0.002/call via x402. Retrieves Tezos token balances for accounts, filterable by contract, token ID, standard, and balance amount
- [TzKT Baking Operations API](https://www.zero.xyz/c/tzkt-baking-operations-api-89b27f86/llms.txt): $0.002/call via x402. Retrieves baking operations from the Tezos blockchain, filterable by baker address and block level
- [TzKT Blocks API](https://www.zero.xyz/c/tzkt-blocks-api-a0991206/llms.txt): $0.002/call via x402. Fetches a paginated, filterable list of Tezos blockchain blocks with metadata such as level, timestamp, and proposer
- [TzKT Block Lookup by Hash](https://www.zero.xyz/c/tzkt-block-lookup-by-hash-272b5d71/llms.txt): $0.002/call via x402. Retrieves detailed metadata for a specific Tezos block identified by its hash, including fees, baker, reward, and optional operations.
- [TzKT Token Transfers Count](https://www.zero.xyz/c/tzkt-token-transfers-count-289ca6b8/llms.txt): $0.002/call via x402. Returns the total count of token transfer operations on the Tezos blockchain, optionally filtered by token contract address.
- [TzKT API – Tezos Blockchain Head](https://www.zero.xyz/c/tzkt-api-tezos-blockchain-head-be3f8fcd/llms.txt): $0.002/call via x402. Returns the current head block information for the Tezos blockchain, including block hash, level, protocol, timestamp, and voting epoch.
- [TzKT Contracts Count](https://www.zero.xyz/c/tzkt-contracts-count-16401d75/llms.txt): $0.002/call via x402. Returns the total count of smart contracts on the Tezos blockchain, optionally filtered by contract kind
- [TzKT Delegations Operations API](https://www.zero.xyz/c/tzkt-delegations-operations-api-b138f759/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos delegation operations from the blockchain, filterable by sender, delegate, block level, and timestamp.
- [TzKT Balance History](https://www.zero.xyz/c/tzkt-balance-history-43ef6544/llms.txt): $0.002/call via x402. Returns the historical balance snapshots for a given Tezos account address over time, sampled at configurable block intervals.
- [TzKT Tezos Token Count](https://www.zero.xyz/c/tzkt-tezos-token-count-c9cac633/llms.txt): $0.002/call via x402. Returns the total count of tokens on the Tezos blockchain, optionally filtered by token standard
- [TzKT Delegates List API](https://www.zero.xyz/c/tzkt-delegates-list-api-5ddd23b0/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos delegates (bakers) with optional filtering by active status, balance, and field selection
- [TzKT Daily Statistics API](https://www.zero.xyz/c/tzkt-daily-statistics-api-6c5cc316/llms.txt): $0.002/call via x402. Returns daily aggregated Tezos blockchain statistics such as transaction volume, fees, and network activity for a given date range.
- [TzKT Tezos Contract Lookup API](https://www.zero.xyz/c/tzkt-tezos-contract-lookup-api-d1d74acb/llms.txt): $0.002/call via x402. Retrieves detailed information about a specific Tezos smart contract by its on-chain address via the TzKT blockchain indexer.
- [TzKT Bigmap Key Lookup](https://www.zero.xyz/c/tzkt-bigmap-key-lookup-416daa86/llms.txt): $0.002/call via x402. Retrieves the value stored at a specific key within a Tezos smart contract bigmap by bigmap ID and key
- [TzKT Delegates Count](https://www.zero.xyz/c/tzkt-delegates-count-294df829/llms.txt): $0.002/call via x402. Returns the total count of Tezos delegates (bakers), optionally filtered by active status
- [TzKT Contracts List API](https://www.zero.xyz/c/tzkt-contracts-list-api-d4558bfc/llms.txt): $0.002/call via x402. Retrieves a filtered, paginated list of Tezos smart contracts from the TzKT blockchain indexer
- [TzKT Tezos Transaction Count](https://www.zero.xyz/c/tzkt-tezos-transaction-count-aefbc8ed/llms.txt): $0.002/call via x402. Returns the total count of Tezos blockchain transactions, optionally filtered by status
- [TzKT Ballot Operations API](https://www.zero.xyz/c/tzkt-ballot-operations-api-c3451949/llms.txt): $0.002/call via x402. Retrieves Tezos governance ballot operations, filterable by delegate, proposal, vote, and block level
- [TzKT Accounts Count](https://www.zero.xyz/c/tzkt-accounts-count-9ed928c2/llms.txt): $0.002/call via x402. Returns the total number of Tezos accounts on-chain, optionally filtered by account type (user, delegate, contract, or rollup).
- [TzKT Tezos Account Lookup API](https://www.zero.xyz/c/tzkt-tezos-account-lookup-api-cfa1a798/llms.txt): $0.002/call via x402. Retrieves detailed on-chain account information for a given Tezos address, including balance, transaction history, and account metadata.
- [TzKT Staking Operations API](https://www.zero.xyz/c/tzkt-staking-operations-api-5e0ea6c7/llms.txt): $0.002/call via x402. Retrieves a filtered list of Tezos staking operations from the TzKT blockchain indexer, supporting filtering by baker, sender, action type, block level, and timestamp.
- [TzKT Current Statistics API](https://www.zero.xyz/c/tzkt-current-statistics-api-71003ee7/llms.txt): $0.002/call via x402. Returns the current Tezos network statistics including total supply, circulating supply, total burned, and total locked XTZ.
- [TzKT Tezos Transactions API](https://www.zero.xyz/c/tzkt-tezos-transactions-api-b8ee4d6a/llms.txt): $0.002/call via x402. Retrieves a paginated list of Tezos blockchain transactions with flexible filtering by sender, target, amount, block level, timestamp, and status.
- [TzKT Tezos Account Contracts Lookup](https://www.zero.xyz/c/tzkt-tezos-account-contracts-lookup-77f5112b/llms.txt): $0.002/call via x402. Returns a paginated list of contracts originated by or associated with a specific Tezos account address
- [TzKT API - Contract Entrypoints](https://www.zero.xyz/c/tzkt-api-contract-entrypoints-20db6c9a/llms.txt): $0.002/call via x402. Retrieves the list of entrypoints (callable methods) for a specific Tezos smart contract by its address
- [TzKT Tezos Reveal Operations API](https://www.zero.xyz/c/tzkt-tezos-reveal-operations-api-d98d965d/llms.txt): $0.002/call via x402. Retrieves a paginated list of reveal operations on the Tezos blockchain, filterable by sender, block level, or timestamp
- [TzKT Bigmap Keys Lookup](https://www.zero.xyz/c/tzkt-bigmap-keys-lookup-08d5ac61/llms.txt): $0.002/call via x402. Retrieves keys stored within a specific Tezos smart contract bigmap by its numeric ID
- [TzKT Delegate Info API](https://www.zero.xyz/c/tzkt-delegate-info-api-9a1a88d1/llms.txt): $0.002/call via x402. Retrieves detailed information about a specific Tezos delegate (baker) by their address, including staking, voting, and delegation stats.
- [TzKT Bigmap Historical Keys Lookup](https://www.zero.xyz/c/tzkt-bigmap-historical-keys-lookup-f9f10262/llms.txt): $0.002/call via x402. Retrieves the historical state of keys in a Tezos smart contract bigmap at a specific block level
- [TzKT Contract Storage Reader](https://www.zero.xyz/c/tzkt-contract-storage-reader-e0fcd4b8/llms.txt): $0.002/call via x402. Retrieves the current on-chain storage of a Tezos smart contract by its address
- [TzKT Bigmap by ID Lookup](https://www.zero.xyz/c/tzkt-bigmap-by-id-lookup-db541280/llms.txt): $0.002/call via x402. Retrieves a specific Tezos smart contract bigmap entry by its numeric ID from the TzKT blockchain indexer.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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