Use Case

Autonomous Agent Self-Upgrade

An AI agent detects it has reached its API quota, evaluates pricing tiers, submits a USDC payment on Polygon, and receives an upgraded API key — all without human intervention. FeedOracle is the first compliance oracle designed for this flow end-to-end.

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Data infrastructure only. Not legal advice. No certification provided.

For

Autonomous AI agents and LLM pipelines
Agentic compliance workflows
DeFi protocols with on-chain logic
AI-native fintech infrastructure teams

What the Agent Does

Detects quota exhaustion via 429 or quota header.
Calls /usdc/pricing — reads available tiers.
Selects target tier, calls /usdc/intent.
Transfers USDC on Polygon to the payment address.
Calls /usdc/verify — receives new API key.
Resumes work with upgraded access. No human involved.

The Flow in Detail

FeedOracle exposes a minimal M2M payment protocol that any agent can discover and execute. The agent reads the server-card.json to find the USDC payment endpoints, queries current pricing, and receives a deterministic payment address with a payment ID embedded in the memo field.

Once the USDC transfer is confirmed on Polygon (typically 2–5 seconds), the agent calls /usdc/verify with the transaction hash. FeedOracle verifies on-chain confirmation, upgrades the account, and returns the new API key in the response body — machine-readable, no UI required.

# 1 — Discover pricing
GET /usdc/pricing

# 2 — Create payment intent
POST /usdc/intent
{"tier": "pro", "api_key": "fo_f_..."}

# 3 — Transfer USDC on Polygon (agent executes on-chain)
# to: 0x9f59AcF5D52D55D2cb21Bba53ddd788D863bC2FB
# amount: 299.00 USDC
# memo: fo_pay_<payment_id>

# 4 — Verify and receive upgraded key
POST /usdc/verify
{"tx_hash": "0x2be6dd...", "payment_id": "fo_pay_..."}

# Response
{"status": "success", "tier": "pro", "api_key": "fo_p_..."}

Production Evidence

This flow is live and has been executed in production. The transaction below is the first autonomous USDC upgrade on FeedOracle:

TX Hash: 0x2be6dd56aed6e45f5bacb0af53b95e7cded8b36885aabba12cb7bac282f95905
Network: Polygon Mainnet
Asset: USDC (native Circle)
Result: Pro tier API key issued, all 25 MCP servers active

Every upgrade transaction is anchored on-chain and verifiable by any third party — the audit trail is not a log file, it is the blockchain.

What the Agent Gains

25,000 API calls/day (up from 100 on Free)
500 cryptographic proof artifacts/month
Full MCP server access across all 3 servers
Priority rate limits for compliance pipelines

Why This Matters

No human approval loop — agents operate 24/7
Payment is on-chain — verifiable by auditors
No credit cards, no invoices, no procurement cycles
Designed for MiCA-era pipelines that cannot pause

M2M Discovery Protocol

Agents that follow the MCP standard can auto-discover the full payment flow without prior configuration. FeedOracle publishes machine-readable metadata at:

/.well-known/mcp/server-card.json — full capability manifest including payment endpoints
/.well-known/oauth-protected-resource — resource metadata for M2M auth
/.well-known/openapi.json — OpenAPI v7.1 with all USDC payment paths documented

A compliant agent needs no documentation — it reads the server card, finds the USDC endpoints, and executes. This is the internet-native B2B payment model for AI infrastructure.

Verify Independently

FeedOracle publishes a public verification script that any agent or auditor can run:

curl -O https://feedoracle.io/feedoracle_agent_verify.py
python3 feedoracle_agent_verify.py
# Expected: 38/38 checks passed

No login. No funnel. Copy, paste, verify.