LANDING PAGES

Long-tail guides, one page per intent.

Targeted answers to specific questions about adding payments, identity, and spend policies to AI agents.

best x

Best wallet for AI agents in 2026

An honest comparison of the wallet options for AI agents: Blockchain0x, Coinbase Smart Wallet, Circle Programmable Wallets, AWS AgentCore, MetaMask/EOA. Which fits which workload.

integration

CrewAI payment integration

The Blockchain0x CrewAI integration gives every agent in a crew its own wallet, spend policy, and payment identity. Compatibility, surface area, and crew-specific patterns.

LangChain payment integration

The Blockchain0x LangChain integration adds wallet-aware payments to any LangChain agent. Compatibility, surface area, and the trade-offs against rolling your own.

MCP server monetization

Turn an MCP server into a revenue-producing service with the Blockchain0x MCP integration. Per-tool pricing, server-side receipt validation, and per-call settlement in USDC on Base.

OpenAI Agents SDK payments

Add Blockchain0x payments to agents built on the OpenAI Agents SDK. Decorator-based tool wrapping, per-agent wallets, handoff-aware billing, and full sync+async support.

how to

How to add payments to a CrewAI agent

Add Blockchain0x payments to a CrewAI crew in under 15 minutes. Wrap a CrewAI Tool with x402, attach it to an agent, charge per call in USDC on Base.

How to add payments to a LangChain agent

Add Blockchain0x payments to a LangChain agent in under 15 minutes. Install the SDK, expose a paid tool with x402, handle the webhook, and add a spend policy.

How to add payments to an MCP server

Step-by-step technical guide for adding x402 payments to an existing MCP server. Wrap any tool with requirePayment, validate receipts server-side, deploy with a Redis cache.

How to monetize an MCP server

A decision framework for turning a free MCP server into a paid service. Which tools to gate, what to charge, when to ship, and the day-one metrics that tell you if pricing is right.

How to set up agent spending limits

Configure daily caps, per-payment ceilings, counterparty allowlists, and time-window controls on your AI agent's wallet. API-layer enforcement that survives prompt injection.