FlexYield
One API key, one meter, one bill for multi-chain JSON-RPC access with automatic multi-provider failover and a public measured status page.
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FlexYield is a unified RPC gateway: applications point at a single endpoint and JSON-RPC 2.0 requests are routed to the best healthy upstream provider across multiple providers, with automatic failover, per-key usage metering, and caching (cache hits cost 0 units). Supports Ethereum, Base, Arbitrum, OP Mainnet, Polygon PoS, and Solana mainnet. Includes a Toolbox of auxiliary APIs (gas oracle, transaction status, ENS resolution, on-chain Chainlink prices, verified ABIs, calldata decoding, EVM utilities), a Data API for balances and transfer history, MCP tools for agents, agent fleet keys with per-agent budgets, and x402 pay-per-use settlement for machine customers without accounts. Email-based signup, card-billed plans, live usage dashboard, and a public status page with per-chain uptime and latency from continuous probes.
- Category
- APIs & backend
- Pricing
- freemium · from $0 (Free tier); paid plans from $12/month
- Free tier
- yes
- API
- yes
- MCP server
- yes
- SDK
- no
- Open source
- no
Listed 2026-10-27 · last verified 2026-10-27 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95
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API
curl https://toolgrep.com/api/products/flexyield