Billing infrastructure for AI agents. Add preflight spend checks and usage billing to any agent in 3 lines of code. Block runs before budget is exceeded - per customer, per request. Works with LangChain, OpenAI, Claude, and any Python or Node.js agent.
Prices and medians update for the tier you select.
Agents cost 1.9× MCP servers at the Pro tier.
Ranked by how closely each one matches agentbill's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.