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Agent Demand Report — Uncovered API Requests
x402
Agent Demand Report — Uncovered API Requests is a paid API for AI agents from agentdata-api.sander-van-aard.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Returns a 30-day aggregated report of what AI agents tried to pay for but couldn't find covered, based on rejected calls with payment presented, free-tier filings, and settled $0.01 intents at this provider.
Price / call$0.05
Success—
StatusUnknown
How this service works
What are agents asking for that they cannot buy yet, aggregated over 30 days. From our own measurements: calls we rejected on an uncovered value where the caller had already presented payment (kind is typically coin, country, vies_country, monitor_host or sms_service — free-form values possible), free requests filed by agents, and settled $0.01 intents. Demand at one provider, not a network-wide picture. Aggregates only: no wallets, no free text, no subject ids.
Output
An aggregated JSON report covering the past 30 days of unmet agent demand at this provider: counts of rejected calls where payment was already presented (by kind such as coin, country, vies_country, monitor_host, sms_service, or free-form), free requests filed by agents, and settled $0.01 intents — all without any wallet IDs, free text, or subject identifiers.
Example use cases
API product market gap research
“What are AI agents actually trying to buy right now that nobody's built yet? Pull the demand report so I can see which categories of requests got rejected despite the agent presenting payment over the last 30 days.”
Identifying high-demand x402 service niches
“I'm thinking of launching a new x402-compatible API. Can you fetch the aggregated demand report to show me which kinds of services — like VIES lookups, SMS, coin data, or host monitoring — agents are requesting most often but can't find?”
Tracking agent economy trends over time
“Fetch this month's agent demand report so I can see how many settled $0.01 intents, free-filed requests, and rejected-payment calls were logged, and what the top uncovered value categories were.”
Technical details
Endpoint
POSThttps://agentdata-api.sander-van-aard.workers.dev/x402/demand-reportWhen to prefer
Use this endpoint when you need a supply-side signal about what AI agents are actively trying to purchase but cannot, particularly within the x402 micropayment ecosystem. It is the only source for rejected-payment demand data aggregated at this provider. Prefer it over general market research when you want quantitative, payment-backed demand evidence rather than surveys or speculation. Not useful if you need network-wide demand data or individual transaction details.
Side effects
- Payment not included or invalid x402 payment header — request rejected with 402
- Empty or malformed POST body — may return validation error
- No demand data available for the period — returns empty aggregates
- Network/worker downtime — connection timeout or 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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