# Edge Agents USDC Supply Pulse

> Edge Agents USDC Supply Pulse is a paid API for AI agents from pay.edge-agents.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns an evidence-backed, point-in-time intelligence report on USDC circulating supply with provenance, confidence scoring, and contradiction tracking.

## Facts

- Endpoint: GET https://pay.edge-agents.ai/v1/services/usdc-supply-pulse
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/edge-agents-usdc-supply-pulse-a8209ee4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7fd0B7GXTDeUzNaCvz9zj

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability edge-agents-usdc-supply-pulse-a8209ee4
```

Example prompt: Pull the latest USDC Supply Pulse report from Edge Agents — I need the current circulating supply analysis with confidence level and evidence provenance for a board briefing.

## When to prefer this

Choose this endpoint when you need a structured, signed, evidence-grounded USDC supply report with explicit confidence scores and source provenance — especially in compliance-sensitive or board-level contexts where raw blockchain data alone is insufficient. Prefer it over generic crypto data APIs when you need bounded, decision-ready intelligence with contradictions surfaced and limitations declared.

## Known failure modes

- Payment not received — 402 response requiring USDC payment before data is returned
- Service temporarily unavailable — upstream data sources may be stale or unreachable
- Incomplete data — response may note limited source freshness or coverage gaps in the limitations array
- Invalid request format — malformed query parameters result in an error response

## How this service works

Point-in-time Ethereum USDC total-supply and 24-hour net-supply-change evidence from the approved crypto-flow store, with explicit baseline and freshness gating. Purpose: Measure observed USDC supply expansion or contraction on Ethereum without claiming cross-chain global USDC supply or transaction-level mint/redemption events. 10-minute freshness target; missing evidence is reported explicitly rather than invented.

## Output

A JSON report containing a quality assessment (status + confidence), an analysis block with family classification, intent tags, and a written summary, evidence metadata listing covered assets and policy, a signed provenance object from edge-agents.ai, the generation timestamp, schema version, and a disclaimer clarifying it is market research rather than investment advice.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "quality": {
   "status": "strong",
   "confidence": "high"
  },
  "analysis": {
   "family": "ethereum",
   "intents": [
    "supply",
    "evidence"
   ],
   "summary": "Fresh USDC Supply Pulse findings appear here."
  },
  "evidence": {
   "assets": [
    "ETH",
    "USDC"
   ],
   "policy": "point-in-time",
   "sources": "Reported from the actual live report; never inferred from this example."
  },
  "serviceId": "usdc-supply-pulse",
  "dataStatus": "complete",
  "disclaimer": "General, impersonal market research; not investment advice or a buy, sell or hold recommendation.",
  "provenance": {
   "issuer": "https://edge-agents.ai",
   "signed": true
  },
  "generatedAt": "2026-08-31T00:00:00.000Z",
  "limitations": [
   "Coverage, source freshness and unavailable evidence are stated in every paid report."
  ],
  "schemaVersion": "2.0"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/edge-agents-usdc-supply-pulse-a8209ee4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from pay.edge-agents.ai](https://www.zero.xyz/host/pay.edge-agents.ai/llms.txt)