The micropayment problem is real. When an AI agent pays $0.0001 for a data query but faces $0.05 in gas fees, the economics collapse.
GraphTally provides the solution. Built by core developers on The Graph, this trust-minimized micropayment system has been live since late 2024. It uses cryptographically signed vouchers that settle in batches onchain, allowing agents to make thousands of queries per minute without gas fees blocking each microtransaction.
Direct impact on x402. GraphTally's architecture directly shaped the x402 specification, making agent-native data infrastructure economically viable. Agents can now query onchain data through The Graph's gateway, paying one cent per query in USDC on Base—no API key, no account required.
The result: blockchain data becomes accessible to the agent economy at scale.
If you're building an AI agent that needs onchain data like DEX activity, positions, governance, or protocol activity, the Subgraph Gateway now accepts x402 payments. One HTTP request. USDC on @base or Base Sepolia. No accounts, no keys. Docs: thegraph.com/docs/en/subgra…
This is the infrastructure shift that makes agent-native data real. No API key. No account. No monthly plan. A wallet is all an agent needs to query onchain data through The Graph's x402 gateway, paying one cent per query in USDC on @Base. Pair that with Subgraph discovery, and
x402 support is now live on The Graph's Subgraph Gateways. Any x402-compatible client can pay per query in USDC and access Subgraph data across dozens of supported networks. Existing API-key access is unchanged. x402 is an additional path. Docs: thegraph.com/docs/en/subgra…
An AI agent needed onchain data. It had one question and one cent. No API key. No signup form. No GRT required. The Subgraph Registry found the right Subgraph. x402 handled the payment. The agent got its answer in under a second. This is what agent-native data infrastructure
AI agents need to pay for things. That's a harder problem than it sounds. If an agent pays $0.0001 for a data query but the gas fee is $0.05, the economics fail entirely. GraphTally, the trust-minimized micropayment system built by core developers on The Graph, has been live on
The Graph Gateway now supports x402 payments. Any agent or application can query Subgraph data by paying per request in USDC. No API key, no account, no session. Here's what that means and how to use it 🧵
Docs: thegraph.com/docs/en/subgra… Package: npm install @graphprotocol/client-x402 Try it today. Pay with USDC on @base or Base Sepolia. Let us know what you think.
Subgraph gateways now have x402 endpoints under /api/x402/... Your client hits the endpoint → gets a 402 response with the price → signs a USDC payment on Base → retries → gets the data. One round trip. Payment is the authentication.
Blockchain Data Processing Sees 72,000% Speed Boost
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AI Agents Need Structured Blockchain Data to Function at Scale
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Agent0 Subgraphs Now Live Across Five Mainnets with Unified GraphQL Schema
**Agent0 Subgraphs are now operational across five major blockchain networks** - Base, BNB Chain, Ethereum, Monad, and Polygon - using a single GraphQL schema. **Key features:** - Real-time indexing of every ERC-8004 agent across all chains - No code rewrites needed when switching between networks - Already processed over 1 million queries - Accessible via [Graph Explorer](https://thegraph.com/explorer?search=agent0) **What this enables:** - Developers can query agent data with a single GraphQL request instead of scanning thousands of blocks - AI agents can discover, hire, and interact with each other using structured blockchain data - Machine-scale data access for agents that operate continuously The infrastructure indexes agent identities, capabilities, reputation, and validation data in milliseconds. Developers building ERC-8004 agents can now access comprehensive onchain data without building custom indexers.
New AI Tool Brings Live Aave Data to Claude Across 7 Chains
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