Blog21+ services in the Mithril Catalog 9 categories: Crawl, Data, Email, Image, LLM, Parse, Prospect, Search, Payment 5 supported chains: Base, Polygon, Arbitrum, Ethereum, Solana 1 payment currency: USDC
Exa Search — research agents are the largest consumers OpenRouter Chat Completions — LLM calls are essential for agent reasoning Firecrawl Scrape — web data extraction is core to many workflows AgentMail Send — sales and outreach agents CoinGecko Price Data — crypto/DeFi agents Parse services (document extraction) growing fastest Multi-agent workflows driving higher per-agent spend Research agents remain the dominant use case Agent-to-agent transactions (one agent's output becomes another's input) Dynamic model routing through OpenRouter Composite workflows spanning 3-5 services per task More services adopting x402 (particularly SaaS APIs) Higher transaction volumes as agent adoption accelerates New chains (Optimism, zkSync) adding x402 support Standardization of SKILL.md across the ecosystem
Report·10 min·
State of the x402 Ecosystem: Services, Volume, and Growth
Data-driven analysis of the x402 ecosystem — how many services support it, transaction volumes, most popular endpoints, and growth trends.
The x402 protocol is growing from an experimental standard to a real payment rail for AI agents. This report covers the current state of the ecosystem.
Ecosystem Overview
As of March 2026, the x402 ecosystem includes:
Services by Category
| Category | Services | Example Endpoints | Typical Price Range |
|---|
|----------|----------|-------------------|-------------------|
| Search | Exa | Neural search, keyword search | $0.001-0.01 |
|---|---|---|---|
| LLM | OpenRouter, Gemini | Chat completion, embedding | $0.001-0.10 |
| Data | CoinGecko, Nansen, Zapper, 402box | Price data, analytics, portfolio | $0.001-0.02 |
| AgentMail | Send, receive, manage | $0.005-0.02 | |
| Image | Hugen | Image generation | $0.02-0.10 |
| Parse | Nittarab, SlinkyLayer, Twit-sh | Document parsing, extraction | $0.005-0.03 |
| Prospect | Apollo | Lead search, enrichment | $0.01-0.05 |
Chain Usage
Base dominates x402 transactions due to its low gas fees:
| Chain | % of Transactions | Avg Gas Cost |
|---|
|-------|-------------------|-------------|
| Base | ~70% | <$0.001 |
|---|---|---|
| Arbitrum | ~10% | ~$0.002 |
| Ethereum | ~3% | ~$2.00 |
| Solana | ~2% | ~$0.001 |
Most Popular Endpoints
By transaction volume:
Trends
Growing categories:
Emerging patterns:
What's Next
The x402 ecosystem is expected to grow significantly in 2026: