BlockRunAI
Pay-per-use API gateway
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BlockRunAI is a decentralized API payment gateway built on the x402 protocol, providing pay-per-use access to model inference, data feeds, and compute resources for AI agents. It leverages HTTP 402 status codes for payment negotiation: an agent sends a request, the server responds with a price and payment requirement, the agent locally signs a USDC transaction and retries the request with the payment header, then receives the response—all without API keys or subscriptions. Core mechanisms include local private key management, on-chain settlement, smart routing (automatically selecting the most cost-effective model), and MCP tool integration, with OpenAI-compatible endpoints and multiple SDKs, enabling agents to autonomously discover, pay for, and invoke services.
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About BlockRunAI
BlockRunAI is a payment and blockchain infrastructure layer for AI agents. Its core business is simple: developers make an API call, and the agent pays per use in USDC on-chain via the x402 protocol. No API keys, no accounts, no subscriptions. It routes to 95 AI models (chat, image, video, music, speech) and 40 blockchain RPCs, plus phone/voice, web search, and DEX data.
The market pain point is that traditional API billing (subscriptions, API keys) doesn't fit AI agents, which make thousands of micro-calls per session. Per-call gas fees also eat margins. BlockRun solves this with nanopayments: sub-cent pricing (e.g., search at $0.001, images at $0.02–$0.07), gas-free settlement via Circle Gateway, and one USDC balance usable across 11 EVM chains.
Its narrative is "economic infrastructure for AI agents" — open-standard (additive to x402), non-custodial, and composable. Since Feb 2026, it has served 6M+ API calls from 1,431+ paying wallets, settling $31,000+ USDC on Base. It also launched Nanopayments on Circle Gateway mainnet.
Negative aspects: as a new project, its ecosystem and documentation are still maturing, and it depends on emerging infrastructure (x402, Circle Gateway) that may face adoption risks.
BlockRunAI, an x402-based payment infrastructure layer for AI agents, has progressed through several milestones with long-term significance. In June 2026, it secured investment from Coinbase Ventures' Base Ecosystem Fund, validating its role in establishing USDC as the default settlement rail for autonomous agent commerce on Base. Shortly after, the company launched Nanopayments, powered by Circle Gateway, enabling gas-free USDC micro-transactions as low as $0.000001 with batched onchain settlement across 11 EVM chains. This innovation addresses the cost friction that previously made sub-cent machine-to-machine payments impractical. Additionally, BlockRunAI integrated with PayAI, a Solana-first x402 facilitator, extending its payment rail to Solana with sub-second settlement and zero gas fees for both buyers and merchants. This multi-chain expansion, achieved without API changes, demonstrates the protocol's portability and positions BlockRunAI as a neutral settlement layer for the emerging agent economy, capable of adapting across low-fee chains beyond Base and Solana.
BlockRunAI has made significant infrastructure strides in the past six months. In March 2026, the platform integrated with PayAI to enable x402 payment settlement on Solana, achieving sub-second transaction confirmation and covering gas fees for both buyers and merchants. This expansion positions Solana alongside Base as a core payment rail, with future plans to extend to Avalanche, Polygon, and Sei. Concurrently, BlockRun released its Q1 2026 industry report, revealing approximately 2.6 million API calls routed, 590,000 on-chain settlements, and over 1,500 autonomous agent wallets. The report highlighted that 74% of paid calls routed to free-tier models and 97% of dollar volume came from sub-minute interval agent traffic, underscoring the rise of the agent economy. Additionally, BlockRun partnered with Surf to add 83 crypto data endpoints, covering CEX prices, on-chain SQL, prediction markets, and wallet labels, with settlement flowing directly to Surf's treasury. The model routing layer was also upgraded, adding GPT-5.4, Claude Opus 4.6, and Gemini 3.1 series, alongside enhanced metadata and category filtering. Looking ahead, BlockRun's roadmap focuses on multi-chain expansion, deeper data infrastructure, and optimizing routing for cost efficiency, with the long-term vision of becoming the payment substrate for autonomous agent commerce.
Founder: E.H. Vicky (Twitter: https://x.com/bc1beat). No other co-founders or core executives are publicly listed on the official site or social channels. Vicky is the sole founder of BlockRunAI, leading the development of x402 payment infrastructure for AI agents.