thetascan.io

What It Is

ThetaScan.io is a blockchain explorer and developer API service for Theta Blockchain. Its pages indicate that it runs on a Main Net - US node and provides entry points for transactions, blocks, staking, tokens, transaction broadcasting, CLI, Developer API, Smart Contract, and more. It is not an exchange, wallet, or DeFi protocol, but rather an on-chain data lookup and RPC infrastructure tool.

Core Capabilities

Based on the captured content, ThetaScan supports queries for Theta and TFuel address balances, staked amounts, transaction hash details, the latest or specific blocks, block times, transaction counts, market prices, and market capitalization. Its API also covers TNT-20 contract details and address balances, as well as TNT-721 NFT contract, transaction, holding list, and quantity queries. Its ETH-RPC endpoint can be configured in MetaMask, with the network name ThetaScan Mainnet, Chain ID 361, and currency symbol TFUEL, and it supports common JSON-RPC methods such as eth_getBalance, eth_call, and eth_sendRawTransaction.

Pricing and Limits

The API is explicitly provided free of charge for the Theta community, but it also states that it is provided without warranty. The official recommendation is not to abuse the interface, with a rate limit of no more than 1-2 calls per second. Most endpoints support GET or POST, while eth-rpc only accepts POST. For developer prototypes, personal lookups, or lightweight tools, this model keeps costs low; however, for high-frequency indexing, commercial-grade backends, or applications that require a stable SLA, its reliability and throughput may not be sufficient.

Pros and Cons

Its strengths are that it covers the main on-chain data in the Theta ecosystem, including balances, transactions, blocks, staking rewards, market data, TNT-20, and NFTs, while also providing raw signed transaction broadcasting and MetaMask RPC access, making the feature set fairly complete. The drawbacks are that the main content does not disclose the team background, operational guarantees, security architecture, audits, compliance licenses, or customer support. It also does not provide exchange-style functions such as order matching, custody, fiat deposits and withdrawals, KYC, cold wallet insurance, derivatives, or leverage.

Who It’s For and Access from China

ThetaScan is best suited for Theta holders verifying transactions, staking users checking rewards, developers integrating RPC or building lightweight on-chain tools, and analysts retrieving price, market cap, and historical transaction data. The reviewed content does not provide information on access from mainland China, so availability is unknown. On the payments side, there are no bank card, Alipay, WeChat Pay, or fiat entry points. If you need to buy or sell Theta/TFuel, use a compliant exchange or a wallet that supports Theta; if you require a stronger SLA, consider running your own Theta node or using a professional node/API service.