# Alchemy - the blockchain development platform

> Alchemy is a blockchain development platform providing RPC APIs, node infrastructure, and developer tools across Ethereum, Solana, Base, Polygon, and 50+ other networks, used by leading fintechs, enterprises, and web3 startups to build onchain applications.



## Pages
- [Abstract Development Platform - RPC & APIs](https://www.alchemy.com/abstract): Abstract is a Layer 2 ZK rollup built on top of Ethereum, dedicated to the wide adoption of culture, community and creativity in web3.
- [AgentPay - The Universal Payment Proxy for AI Agents | Alchemy](https://www.alchemy.com/agentpay): AI agents are already buying. McKinsey estimates $3-5T in retail spend will flow through agents by 2030. AgentPay lets your business accept payments from every AI agent with a single integration.
- [Crypto APIs for Agents | Alchemy](https://www.alchemy.com/agents): Your coding agent can call every Alchemy API. Install our Skills, run the CLI, connect our MCP server, or sign in with a crypto wallet.
- [Blockchain for AI Agents | Alchemy](https://www.alchemy.com/ai-agents): Build AI agents that manage wallets, execute secure transactions, and move assets across every chain.
- [Alchemy Validators](https://www.alchemy.com/alchemy-validators): High-uptime validators with compliance-ready architecture and multi-region deployment.
- [Arbitrum Development Platform - RPC Nodes & APIs](https://www.alchemy.com/arbitrum): Scale your decentralized applications at low costs on Arbitrum using Alchemy's leading blockchain developer platform.
- [Alchemy + Arbitrum Grant](https://www.alchemy.com/arbitrum-grant): We’re supporting builders on Arbitrum with up to $500,000 in credits per team. First come, first serve.
- [Contact Sales Arbitrum Grant - Alchemy](https://www.alchemy.com/arbitrum-grant-contact): We're supporting builders on Arbitrum with up to $500,000 in credits per team. Contact us!
- [Build on Arc with Alchemy](https://www.alchemy.com/arc): Arc: The Open Layer-1 for Stablecoin Finance
- [Astar Development Platform - RPC Nodes & APIs](https://www.alchemy.com/astar): In partnership with Astar, Alchemy steps into the Polkadot ecosystem.
- [Avalanche C-Chain Development Platform - RPC & Subgraphs](https://www.alchemy.com/avalanche-c-chain): Deploy powerful, scalable onchain apps on Avalanche's high-performance C-Chain. Access Supernode, Subgraphs, and more tools.
- [Bank-grade infrastructure for digital finance](https://www.alchemy.com/banking): Build the future of digital asset strategy with Alchemy.
- [Base Development Platform - RPC Nodes and APIs](https://www.alchemy.com/base): Base's cutting-edge Layer 2 solution will empower the next generation of decentralized applications. Available today on Alchemy.
- [Apply for Base Gas Manager Credits](https://www.alchemy.com/base-gas-manager-credits): Apply to receive Gas Manager API credits on Base to sponsor gas on behalf of your users.
- [RPC provider benchmarks | Alchemy](https://www.alchemy.com/benchmarks): Compare RPC provider latency, success rates, and failed requests across popular chains, regions, and common EVM RPC methods.
- [RPC provider benchmarks (Markdown data)](https://www.alchemy.com/benchmarks/data.md): Machine-readable Markdown twin of the benchmarks page: provider latency, success rates, and failed requests for every chain and region, plus the live 24h data window. Built for agents and crawlers.
- [Berachain Development Platform - RPC Nodes & APIs](https://www.alchemy.com/berachain): Build fast, user-friendly and secure onchain apps on Berachain mainnet and testnet. Get your API key today!
- [Blast Development Platform - RPC Nodes & APIs](https://www.alchemy.com/blast-chain): Supercharge your apps with Blast's native yields, revenue sharing, and EVM compatibility. Start building on Blast today!
- [BNB Smart Chain Development Platform - RPC & APIs](https://www.alchemy.com/bnb-smart-chain): Build fast, user-friendly and secure onchain apps on BNB Smart Chain. Access Supernode, Subgraphs, and more tools.
- [Build vs. Buy: A Decision Framework for Blockchain Infrastructure | Alchemy](https://www.alchemy.com/books/build-vs-buy): Free guide: the true costs, technical challenges, and strategic considerations for blockchain infrastructure. Featuring case studies from Polymarket, World Chain, and more.
- [Digital Assets: A Complete Guide for Banks | Alchemy](https://www.alchemy.com/books/digital-assets-for-banks): Free guide: everything banks need to know about stablecoins, deposit tokens, and building a digital asset strategy. Download now.
- [Botanix Development Platform - RPC & APIs](https://www.alchemy.com/botanix): Build fast, secure, and Bitcoin-native onchain apps with Botanix's EVM-compatible Layer 2 protocol.
- [Download Alchemy Brand Assets and Press Kit](https://www.alchemy.com/brand): Download Alchemy's logo, marks, banners, and photography in PNG and SVG formats for approved press and marketing use.
- [ERC-4337 Bundler API for Account Abstraction](https://www.alchemy.com/bundler): Integrate our high-availability bundler with your smart contract wallet, application, or rollup to reliably bundle userOps onchain.
- [Careers at Alchemy - Web3 Development Platform](https://www.alchemy.com/careers): Supercharge the web3 industry and your career. Join a company that is revolutionizing the next generation of the internet. View all open roles.
- [Build on Celo with Alchemy](https://www.alchemy.com/celo): Celo is a payments-first Ethereum L2.
- [Alchemy CoBuild — Finance Rewritten | SoHo, NYC April 28, 2026](https://www.alchemy.com/cobuild): CoBuild brings 150 invite-only executives together in New York, with a global livestream open to everyone.
- [About Alchemy - The Web3 Development Platform](https://www.alchemy.com/company): Alchemy is the platform layer needed to empower developers to build great applications that tap into the blockchain revolution.
- [Contact Sales - Alchemy](https://www.alchemy.com/contact-sales): Contact the Alchemy sales team to learn more about use cases, solutions, pricing, chain support and building apps on Alchemy's web3 development platform.
- [Contact Sales - Dedicated Clusters - Alchemy](https://www.alchemy.com/contact-sales-dedicated-clusters): Fully managed, single-tenant RPC and WebSocket infrastructure built on the same engines powering Alchemy's shared infrastructure.
- [Contact Sales - Rollups - Alchemy](https://www.alchemy.com/contact-sales-rollups): Interested in deploying your own rollup? Get in touch with our team to get VIP access.
- [Contact Sales - Digital Asset Summit - Alchemy](https://www.alchemy.com/contact-us-das): Great to meet you at DAS NYC 2026. Connect with Alchemy's team to talk onchain infrastructure for payments, tokenized assets, and settlement.
- [Contact Sales - Alchemy](https://www.alchemy.com/contact-us-ethdenver): Contact the Alchemy sales team to learn more about use cases, solutions, pricing, chain support and building apps on Alchemy's web3 development platform.
- [Contact Sales - Alchemy](https://www.alchemy.com/contact-us-solana-accelerate): Contact the Alchemy sales team to learn more about use cases, solutions, pricing, chain support and building apps on Alchemy's web3 development platform.
- [The world's first intelligent blockchain engine](https://www.alchemy.com/cortex): Your apps are now 2.5x faster, 5x more reliable, with 500x more throughput.
- [CPE Program](https://www.alchemy.com/cpe-program): Join a team that is core to Alchemy's DNA and one of our most valued functions.
- [CrossFi Development Platform - JSON RPC & APIs](https://www.alchemy.com/crossfi): Build with unlimited scalability and EVM and Cosmos interoperability. Get your API key!
- [Alchemy Notify's Custom Webhooks](https://www.alchemy.com/custom-webhooks): Track marketplace activity at a granularity that's most useful for your users. Easily ingest swaps or atomic trades that represent more than one transfer event.
- [Dedicated Clusters - Custom Blockchain Infrastructure | Alchemy](https://www.alchemy.com/dedicated-clusters): Fully managed dedicated RPC and WebSocket infrastructure built to your specs, secured to your standards, and trusted by enterprises moving trillions annually.
- [DeFi on Alchemy](https://www.alchemy.com/defi): Build the future of DeFi with Alchemy.
- [Enterprise Web3 Development Platform - Alchemy](https://www.alchemy.com/enterprise): Enter web3 with enterprise-grade blockchain infrastructure. Build and grow at scale with Alchemy's suite of web3 development solutions.
- [Ethereum Development Platform - RPC Nodes & APIs](https://www.alchemy.com/ethereum): Access Ethereum RPC nodes, Enhanced APIs, and developer tools with Alchemy. Deploy smart contracts, index transactions, and scale your dapp on the world's most popular blockchain.
- [Web3 Events We're Attending (2026) - Alchemy](https://www.alchemy.com/events): Here's a list of all the web3 industry events we're attending this year. Want to meet up IRL? Schedule time with our product or sales teams!
- [Everyone Onchain Fund | $25K Credits for Onchain Apps](https://www.alchemy.com/everyone-onchain-fund): Scale to millions with Alchemy's $5M Everyone Onchain Fund. Access up to $25,000 in credits to build gas-free apps on Alchemy Rollups with gasless transactions.
- [Fantom Opera Development Platform - RPC Nodes and Tools](https://www.alchemy.com/fantom-opera): Build fast and ultra-low-cost dApps with Fantom Opera's EVM-compatible network. Get started on Opera now, and stay tuned for Sonic when it's live!
- [Faucets - Get Testnet ETH and More](https://www.alchemy.com/faucets): Get testnet tokens for over 15 chains, including Ethereum Sepolia, Arbitrum, Base, Optimism, Polygon, and more.
- [Fintech on Alchemy](https://www.alchemy.com/fintech): Build the future of fintech with Alchemy.
- [Fintech on Alchemy](https://www.alchemy.com/fintech-onchain): Build the future of fintech with Alchemy.
- [Alchemy Firewall](https://www.alchemy.com/firewall): Industry leading, battle-tested security trusted by blockchain enterprises worldwide.
- [Flow Development Platform - RPC, Development Tools](https://www.alchemy.com/flow): Create seamless, user-centric apps that harness Ethereum's power with unparalleled ease. Get your API key today!
- [Web3 Game Development - Alchemy](https://www.alchemy.com/gaming): Build games faster and onboard more players with Alchemy's web3 gaming toolbox.
- [Gasless Crypto for Fintechs, DeFi & Institutions](https://www.alchemy.com/gasless-transactions): Build crypto payments and DeFi apps without gas fees. Multi-chain support, compliance controls, and fiat billing. Trusted by industry leaders.
- [Geist Development Platform - RPC & APIs](https://www.alchemy.com/geist): The first members-only gaming chain is live
- [Gnosis Development Platform - RPC Nodes & APIs](https://www.alchemy.com/gnosis): Build on a truly decentralized, community-driven blockchain. Gnosis chain offers unmatched affordability, robust security, and seamless development.
- [Calculate and Convert Wei, Gwei, and ETH](https://www.alchemy.com/gwei-calculator): Use Alchemy's gwei calculator to convert wei, gwei, and ether. Plug in any amount of and automatically calculate the conversion!
- [Hackathon Handbook: A Guide for Web3 Developers](https://www.alchemy.com/hackthons): Start developing your web3 hackathon project for free in 30 seconds.
- [Holešky Testnet RPC & APIs - Alchemy](https://www.alchemy.com/holesky): Build fast, user-friendly and secure onchain apps with Ethereum's new Holešky testnet.
- [HyperEVM Development Platform - RPC & APIs](https://www.alchemy.com/hyperevm): Build with HyperEVM, fully secured by HyperBFT and natively integrated with HyperCore's high-performance order books. 
- [Ink Development Platform - RPC & APIs](https://www.alchemy.com/ink): Ink, the chain built on the Superchain and unleashed by Kraken, connects you to innovative financial opportunities through seamless, interoperable access.
- [Integrations for Rollups](https://www.alchemy.com/integrations): Customize your rollup. Work with the best teams in web3 for the services and tools you need onchain.
- [Lens RPC & APIs](https://www.alchemy.com/lens): Scalable EVM-compatible chain on Ethereum, powered by zkSync
- [Linea Development Platform - RPC Nodes & APIs](https://www.alchemy.com/linea): A lightning-fast, low-fee Layer 2 solution bootstrapped by Consensys. Enjoy seamless MetaMask integration, EVM equivalence, and a complete web3 toolkit.
- [Mantle Development Platform - RPC Nodes & APIs](https://www.alchemy.com/mantle): Build fast, user-friendly and secure onchain apps on Mantle mainnet and testnet. Sign up for Alchemy and get your API key today!
- [Metis Development Platform - Node RPC & Web3 APIs](https://www.alchemy.com/metis): Build permissionless, frictionless and boundless apps on Metis, the first EVM-equivalent L2 with a decentralized sequencer.
- [Milk Road × Alchemy — $100 in Free Credits](https://www.alchemy.com/milkroad-credits): Exclusive for Milk Road readers: $100 in free Alchemy credits. The same blockchain infrastructure behind $1T+ in annual transactions — on us.
- [Monad - RPC and APIs](https://www.alchemy.com/monad): Monad is the fastest EVM L1 with limitless potential. Builders can create any dapp they can imagine with the coding language and tools they're familiar with. 
- [Alchemy + Monad Grant](https://www.alchemy.com/monad-grant): We're supporting builders on Monad with up to $10,000 in credits per team. Come build with us!
- [Stablecoin Blockchain Infrastructure for Neobanks](https://www.alchemy.com/neobanks): Launch stablecoin accounts, crypto trading, and instant global payments in weeks. Built for neobanks and fintechs. Trusted by World, Robinhood, and more.
- [Supercharged for web3 Builders – Alchemy Newsletter](https://www.alchemy.com/newsletter): A newsletter for crypto builders: get weekly dev tools, feature updates, product drops, and web3 insights trusted by 385K+ founders and engineers.
- [Newsroom - Latest News, Podcasts, and Videos from Alchemy](https://www.alchemy.com/newsroom): Newsroom
- [NFT API | Build on 30+ chains](https://www.alchemy.com/nft-api): Alchemy's NFT API is the multi-chain API to launch, verify, analyze, trade and display NFTs.
- [NFTs and Digital Collectibles - Alchemy](https://www.alchemy.com/nfts): Learn how brands use NFTs and Digital Collectibles to enhance loyalty programs, reward their top customers, and create unique experiences.
- [The industry-leading RPC API](https://www.alchemy.com/node-rpc-api): Alchemy's RPC API is the most widely used Ethereum, EVM compatible, and Solana API with peak reliability, data correctness, and scalability. Get started today!
- [OP Mainnet Development Platform - RPC Nodes & APIs](https://www.alchemy.com/op-mainnet): Build ultra fast, scalable, EVM-compatible products on OP Mainnet, using Alchemy's leading blockchain developer platform.
- [opBNB Development Platform - RPC Nodes & APIs](https://www.alchemy.com/opbnb): BNB Chain's optimistic rollup. 100M+ gas/sec for scalability, $0.001 average per transactions. Build high-performance, low-cost apps on Alchemy today!
- [Guides - Blockchain Education and Research](https://www.alchemy.com/overviews): Long-form guides covering the most important blockchain topics, including infrastructure, application development, and more.
- [Global Stablecoin Payment APIs on Alchemy](https://www.alchemy.com/payments): Send stablecoin payments globally with 99.99% uptime. Lower fees, instant transfers, and yield on float. Trusted by Visa, Stripe & more.
- [Build on Plasma with Alchemy](https://www.alchemy.com/plasma): Plasma is an L1 designed from the ground up for stablecoins.
- [Polygon PoS Development Platform - RPC Nodes & APIs](https://www.alchemy.com/polygon): Build on Polygon PoS with Alchemy's RPC nodes, Enhanced APIs, and developer tools. Get reliable infrastructure for fast, low-cost transactions on Polygon's proof-of-stake network.
- [Polygon zkEVM Development Platform - RPC Nodes & APIs](https://www.alchemy.com/polygon-zkevm): Combine the security and composability of EVM with the performance, throughput, and cost savings of ZK-Rollups. Build on Alchemy to access the magic.
- [Alchemy Pricing: Free, Pay as You Go & Enterprise Plans](https://www.alchemy.com/pricing): Start free with 30M compute units per month. Pay as You Go from $0.40/1M CU. Enterprise plans with custom SLAs and dedicated support across 100+ chains.
- [Private Chains - Alchemy](https://www.alchemy.com/private-chains): Build the future of fintech with Alchemy.
- [Build vs. Buy: A Decision Framework for Blockchain Infrastructure | Alchemy](https://www.alchemy.com/resources/build-vs-buy): Free guide: the true costs, technical challenges, and strategic considerations for blockchain infrastructure. Featuring case studies from Polymarket, World Chain, and more.
- [Alchemy Dashboard Demo: Complete Video Walkthrough | Alchemy](https://www.alchemy.com/resources/dashboard-demo): Free 30-minute guided walkthrough of the Alchemy dashboard. See every tool live: Node APIs, data APIs, webhooks, gas management, request debugging, and more.
- [Digital Assets: A Complete Guide for Banks | Alchemy](https://www.alchemy.com/resources/digital-assets-for-banks): Free guide: everything banks need to know about stablecoins, deposit tokens, and building a digital asset strategy. Download now.
- [RaaS Platform by Alchemy | Build ZK & Optimistic Rollups](https://www.alchemy.com/rollups): Deploy a custom blockchain with the RaaS platform for ambitious teams. Choose from OP Stack, Arbitrum Orbit, ZK Sync Stack. Receive white glove engineering.
- [Rootstock Development Platform - RPC & APIs](https://www.alchemy.com/rootstock): Rootstock is a Bitcoin sidechain. The Layer 2 solution combines the security of Bitcoin's proof of work with Ethereum's smart contract capabilities.
- [The industry-leading RPC API](https://www.alchemy.com/rpc-api): Alchemy's RPC API is the most widely used Ethereum, EVM compatible, and Solana API with peak reliability, data correctness, and scalability. Get started today!
- [Alchemy Sandbox - Troubleshoot & Debug Blockchain Requests](https://www.alchemy.com/sandbox): Create, analyze, and debug Ethereum requests with the Alchemy Sandbox, a free developer tool created by Alchemy.
- [Scroll Development Platform - RPC & APIs](https://www.alchemy.com/scroll): Experience Ethereum-equivalent development, lightning-fast, and low-cost transactions on Scroll.
- [Security at Alchemy - Data, Operational, and Cloud Security](https://www.alchemy.com/security): Explore Alchemy's security practices. If you identified a security issue with Alchemy, please report them through support or email security@alchemy.com.
- [Smart Websockets - Alchemy](https://www.alchemy.com/smart-websockets): Alchemy Smart Websockets gives your users the Web3 visibility they deserve and love, with minimal code changes. Get started for free.
- [Node Snapshots | Alchemy](https://www.alchemy.com/snapshots): Download pre-validated blockchain snapshots to accelerate node synchronization. Free, fast, and reliable snapshots for supported networks.
- [Solana Development Platform - RPC Nodes & APIs | Alchemy](https://www.alchemy.com/solana): Build on Solana with Alchemy's RPC nodes, Enhanced APIs, and developer tools. Get reliable infrastructure for high-throughput, low-latency applications on the Solana network.
- [$20M Solana Fund — Up to $25K in Credits | Alchemy](https://www.alchemy.com/solana-20m-fund): Apply for the Alchemy Solana Fund: up to $25,000 in credits per team. Fast, reliable Solana infrastructure — no lock-in.
- [Solana gRPC Streaming - Yellowstone-Compatible | Alchemy](https://www.alchemy.com/solana-grpc): Yellowstone-compatible Solana gRPC streaming with multi-node reliability, usage-based pricing from $75/TB, four global regions, and automatic backfill on reconnect.
- [Solana Development Platform - RPC Nodes & APIs](https://www.alchemy.com/solana-infrastructure): Build the future of the internet economy using Alchemy's world-class blockchain developer platform.
- [Soneium Development Platform - RPC & APIs](https://www.alchemy.com/soneium): Scale your dApps with Soneium, a EVM-compatible L2 by Sony Group & Startale Labs. Start building today!
- [Sonic Development Platform - RPC & APIs](https://www.alchemy.com/sonic): Build fast, scalable apps on Sonic - the ecosystem where you can earn by building dApps that boost on-chain traffic.
- [Build on Stable with Alchemy](https://www.alchemy.com/stable): The USDT-native Layer-1
- [Starknet Development Platform - RPC Nodes & APIs](https://www.alchemy.com/starknet): Build on Starknet for low-cost scalability, Ethereum composability and native Account Abstraction.
- [Alchemy Startup Program — Credits, Support & Infrastructure](https://www.alchemy.com/startup-program): Get Alchemy credits, $5,000 in AWS credits, and dedicated engineering support to build and scale your startup on the best blockchain infrastructure.
- [Monad Nitro credits access | Alchemy](https://www.alchemy.com/startup-program/monad-nitro-access): Enter the Monad Nitro access password to claim your credits.
- [Alchemy Support Hub - FAQs and Knowledgebase](https://www.alchemy.com/support): Explore our comprehensive knowledge base to find solutions to your issues by filtering through categories
- [Support Categories - Alchemy Knowledge Base](https://www.alchemy.com/support/categories): Browse Alchemy support articles by category — account setup, billing, API usage, wallet services, and more. Find answers to common questions fast.
- [Switch to Alchemy - Get Up to 3 Months Free](https://www.alchemy.com/switch-to-alchemy): Switch to Alchemy and we will buy out your current contract. Get up to 3 months of free credits.
- [Token API - Ethereum, Polygon, Optimism, Arbitrum - Alchemy](https://www.alchemy.com/token-api): The token data your users expect, no token list required. Available on all EVM-supported chains.
- [Transfers API - Ethereum, Polygon, Optimism, Arbitrum](https://www.alchemy.com/transfers-api): Get all historical transfers for an address or a contract, capturing internal transfers, external transfers and token transfers.
- [Unichain Development Platform - RPC & APIs](https://www.alchemy.com/unichain): Experience lightning-fast, cost-effective transactions and seamless cross-chain liquidity with Unichain, the L2 solution designed for the future of DeFi. 
- [Alchemy Ventures - Investing in the Best Web3 Startups](https://www.alchemy.com/ventures): Alchemy Ventures invests in teams building revolutionary products for the web3 ecosystem. Are you fundraising? Reach out to us!
- [Contact Alchemy Ventures - For Startups](https://www.alchemy.com/ventures-contact-funding): Contact the Alchemy Ventures team to learn more about funding opportunities for your web3 startup.
- [Contact Alchemy Ventures - For Investors](https://www.alchemy.com/ventures-contact-investors): Contact the Alchemy Ventures team to learn more about ongoing web3 fundraising deals that we are actively evaluating.
- [Verify Socials | Alchemy](https://www.alchemy.com/verify): Verify whether an email address or account from Telegram, Twitter, Discord or LinkedIn comes from a verified Alchemy employee.
- [Webhooks - Real time blockchain notifications](https://www.alchemy.com/webhooks): Subscribe to your application's onchain event notifications with smart webhooks.
- [World Chain Development Platform - RPC & APIs](https://www.alchemy.com/world-chain): Start building on World Chain, Worldcoin's own chain, built on Alchemy Rollups, and get access to proven reliability and a full platform of APIs.
- [Alchemy Wrapped 2025 | Year in Review](https://www.alchemy.com/wrapped): Explore Alchemy's 2025 highlights: the developers, transactions, and innovations that shaped the year in web3.
- [ZetaChain Development Platform - Node RPC & APIs](https://www.alchemy.com/zetachain): Build fast, user-friendly and secure onchain apps on ZetaChain mainnet with Alchemy's RPC APIs, Subgraphs, and more. Get your API key today!
- [ZKsync Development Platform - RPC & APIs](https://www.alchemy.com/zksync): Build fast, user-friendly and secure onchain apps with ZKsync's EVM-compatible zero-knowledge rollup. Start building on ZKsync today!

## Sections
Long-form collections are split into per-section llms.txt files so agents can fetch only what they need:
- [Blog](https://www.alchemy.com/blog/llms.txt) (255): Posts on blockchain development, web3 product updates, and developer guides.
- [Overviews](https://www.alchemy.com/overviews/llms.txt) (320): Long-form guides covering blockchain infrastructure and onchain development.
- [Case Studies](https://www.alchemy.com/case-studies/llms.txt) (47): Customer stories showing how teams build and scale on Alchemy.
- [Support](https://www.alchemy.com/support/llms.txt) (57): Support articles and FAQs for Alchemy products.
- [RPC Chains](https://www.alchemy.com/rpc/llms.txt) (156): Per-chain RPC overview pages for every network Alchemy supports.
- [Events](https://www.alchemy.com/events/llms.txt) (26): Past and upcoming web3 events Alchemy is attending.

For a single-file dump of everything, see [llms-full.txt](https://www.alchemy.com/llms-full.txt).

_This file is auto-generated by scripts/generate-llms-txt.ts. See https://llmstxt.org for the spec._