DeCipher is a service that can generate highly accurate specifications documents for blockchain developers by using smart contracts and ABI on the blockchain as input sources, fine-tuned GPT prompts for contract analysis through a proprietary processing system.
Decipher generates AI-written specification documents for blockchain smart contracts using contract address or block explorer URL.
- for
- Blockchain developers needing clear contract documentation.
- pricing
- contact sales
works withEthereum
Key features
6 features of Decipher
- LLM-powered analysis — Uses a fine-tuned GPT model to parse contract code and ABI into concise docs.
- Multiple input methods — Accepts block explorer URLs, raw contract addresses, or product names for lookup.
- Supported explorers — Works with major explorers such as Etherscan for Ethereum contracts.
- Chrome extension — Provides quick access via a downloadable Chrome extension.
- Popular contract library — Shows pre-generated docs for well-known contracts like Uniswap, Aave, and Chainlink.
- User-friendly UI — Simple search interface with validation for supported URLs.
Use cases
- Generate professional spec docs for a newly audited ERC-20 token.
- Create documentation to onboard developers to an existing DeFi protocol.
- Quickly understand third-party contracts before integrating them.
- Produce reference material for deploying cloned contracts.
Decipher vs alternatives
 Decipher |  Sideko |  Fine | .png?width=64) Langfuse | |
|---|---|---|---|---|
| Best for | AI-generated smart-contract specs | API SDK generation | AI-assisted software creation | LLM observability |
| Pricing | Contact sales | Subscription | Free | Subscription |
| DevHunt upvotes | 13 | 81 | 75 | 89 |
| Launched | Jan 2023 | Jan 2024 | Jan 2023 | Jan 2023 |
- Decipher vs Sideko: Sideko generates SDKs and docs for APIs, while Decipher focuses on smart-contract specs.
- Decipher vs Fine: Fine builds software with AI agents; Decipher produces contract documentation only.
- Decipher vs Langfuse: Langfuse provides observability for LLM apps; Decipher uses LLMs to document contracts.
Decipher FAQ
How do I provide a contract for analysis?+
Enter a supported block explorer URL, paste the contract address, or search by project name.
Which block explorers are supported?+
The service works with major explorers like Etherscan; unsupported URLs will be rejected.
Is there a Chrome extension?+
Yes, a Decipher Chrome extension is available in the Chrome Web Store for quick access.
Can I view docs for popular contracts?+
A list of pre-generated docs for contracts such as Uniswap, Aave, and Chainlink is provided on the site.
Do I need to sign up to use Decipher?+
Login or sign-up is required to access the full functionality.
Summarized by DevHunt from bunzz.dev · Sep 27, 2026. Details may change; check the official site.
