TCD Product Highlight: Teloscan API

Telos Foundation
3 min readNov 13, 2023

Teloscan API: The Easy Way to Interact with On-Chain Data

In an era where digital information is paramount, having direct access to on-chain data swiftly and efficiently is crucial. Enter the Teloscan API, a useful tool introduced by the Telos Core Developers, designed to enhance the way both developers and users interact with on-chain information.

Key Features of the Teloscan API:

  • Swagger Integration: Swagger’s integration facilitates seamless API documentation within a unified interface. Developers can effortlessly navigate and comprehend the array of API routes available.
  • Rapid Data Retrieval: Whether it’s data linked to specific ETH or EVM addresses, NFT interactions, or transaction histories, the Teloscan API offers lightning-fast access. Its capability surpasses traditional RPC methods, delivering richer and more comprehensive data.
  • NFT Insights: Delving deep into the world of non-fungible tokens, the Teloscan API gives a panoramic view of both ERC-721 and ERC-1155 NFT interactions tied to specific addresses.
  • Health Monitoring: Ensuring peak performance, the Teloscan API’s health can be continuously monitored. Alerts are promptly initiated when excessive lag is detected, ensuring optimal data accuracy and retrieval speed.
  • Cost-Effective Usage: Taking pride in its commitment to the community, the Teloscan API remains free. However, to maintain efficiency and performance, charges may be introduced during high traffic times.
  • Simplified Coding: For the developer community, the automatic CURL request creation becomes an invaluable feature, streamlining coding tasks.
  • Flexible Data Access: Whether through GET, viewed directly in a browser, or POST, where data is sent to the server, accessibility is never compromised. The inclusion of a Linux Terminal Utility further enriches data interaction and presentation using JQ.
  • Utility Functions and Projections: From facilitating NFT aggregators to handling massive database volumes (up to 30–40 gigabytes), the Teloscan API is prepared. It’s geared up for the surge in demand, especially with forthcoming zero-knowledge features and the resurgence of DeFi on Telos Network.

Why Teloscan API Stands Out:

Having been operational for over a year, the Teloscan API not only matches industry counterparts but potentially overshadows them with its more robust feature set.

Relevance Breakdown:

  • For Developers: The Teloscan API is a valuable tool that developers can use to gather useful information on the blockchain.
  • For Users: Beyond just using services, users gain a vantage point into their on-chain activities. From understanding transaction histories to gauging NFT interactions, it’s not just about data; it’s about insights.

In conclusion, the Teloscan API embodies the confluence of speed, efficiency, and comprehensiveness. As Telos Network continues to innovate, the Teloscan API stands as a testament to our commitment to both developers and general users, ensuring they remain at the forefront of blockchain evolution.

Interested in trying out the Teloscan API yourself?


About The Telos Foundation

As a decentralized, independent and not-for-profit organization, the Telos Foundation spearheads the advancement and governance of the Telos blockchain. Launched in 2018, Telos has an impeccable five-year record of uninterrupted service. With the introduction of the tEVM in 2021 — the fastest Ethereum Virtual Machine — Telos has demonstrated its commitment to cutting-edge technology. Now shifting its focus to becoming a Layer 0 network, Telos places paramount importance on scalability, security, and decentralization. The network’s impressive performance allows for 15,200+ transactions per second, all while maintaining near-feeless operations. Today, the Telos ecosystem boasts more than 100 partners, 250 dApps, 1.2 million accounts, and a rapidly growing community. Telos continues to propel the industry’s transition to Web 3.0 and pave the way for global adoption of decentralized solutions.



Telos Foundation

Innovation meets gaming at Telos. Your home for secure, scalable & supercharged gaming experiences. Empowering devs, exhilarating gamers.