Stablecoin Yields Lookup via X402-BROKER Gateway

x402

Stablecoin Yields Lookup via X402-BROKER Gateway is a paid API for AI agents from mcp-gateway.agentdiet.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).

Returns current stablecoin yield rates and ROI data for a given asset, accessed via micropayment on Base.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.

Output

Returns a JSON object with a status field ('ok'), a data object containing yield information for the queried stablecoin asset, and an roi_proof object including a compression_ratio_pct value indicating how efficiently the data was compressed (e.g. 91.4%). The actual yield figures are nested inside the data object.

Example use cases

Compare stablecoin yields before deploying capital

“Before I move my funds, can you check what the current yields look like for USDC? I want to know what kind of ROI I can expect right now.”

Monitor DeFi yield rates for a specific asset

“Look up the current stablecoin yield data for DAI — I want to see the latest rates and any ROI proof available.”

Automated yield tracking for portfolio agent

“Fetch the latest stablecoin yield information so I can compare it against my current positions and decide if I should rebalance.”

Technical details

Endpoint

GEThttps://mcp-gateway.agentdiet.dev/v1/stablecoin-yields?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need on-demand stablecoin yield lookups with micropayment-gated access via x402 on Base, and want ROI proof alongside the data. Prefer this over manual DeFi dashboards when operating in an automated agent workflow that can settle USDC payments programmatically. Best suited for agents that need lightweight, per-call yield data without requiring a subscription or API key.

Side effects

Missing or invalid asset query parameter returns empty or generic data
Payment not settled on Base results in 402 response blocking data access
Unsupported asset ticker returns empty data object
Gateway routing failure returns non-200 status
Rate limiting or quota exceeded for the micropayment tier

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "status": "ok",
    "roi_proof": {
      "compression_ratio_pct": 91.4
    }
  }
}

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