Discover / agentdata-api.sander-van-aard.workers.dev

agentdata-api.sander-van-aard.workers.dev

■ Challenge detected

EURC peg monitor — unique combined signal: the official ECB euro reference rate (USD/EUR) versus the live on-chain EURC/USDC price from the deepest Uniswap v3 pool on Base, returned as a deviation in basis points with both source values and timestamps. Tells agents holding or pricing EURC how far the on-chain euro stablecoin trades from the official euro. No input required.

x402
Base
USDC

Listed price: $0.002
Challenge detected: 10 of the last 10 checks
Median response: 111 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://agentdata-api.sander-van-aard.workers.dev/eu/eurc-peg
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

35 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://agentdata-api.sander-van-aard.workers.dev

POST/relay/edgar-filings$0.01Latest SEC EDGAR filings for any US-listed company for $0.01 per call: 10-K annual reports, 10-Q quarterly reports and 8-K material events, by stock ticker or CIK, sourced live from data.sec.gov. Returns the parsed filing list (company, form type, filing date, direct document URL), filterable with 'since' and 'limit'. Relayed live from a proven upstream source; if the source is down you get a 503 and pay nothing. Pay per call in USDC on Base — no account, no API key.
POST/crypto/track-record$0.01Measured track record of the strategies behind /crypto/verdict, resold from the upstream signal system. Give a window in days (default 30, clamped 1..365); returns per strategy the number of trades, wins, win rate and average net return over that window, with the measurement start. A factual measurement over a short window (wide error bars), not investment advice. Cheap showcase for the paid verdict endpoint.
POST/llm/chat$0.002LLM chat completion per call — no account, no API key, no token math. Three flat-priced tiers: fast $0.002 (DeepSeek v4 Flash), smart $0.02 (GPT-5.4 mini), reasoning $0.03 (DeepSeek v4 Pro). Send OpenAI-style messages, get the assistant reply with finish_reason and token usage. Input capped per tier (16k-32k chars); the 402 quotes the exact tier price up front. Model or source unavailable means a 503 and you pay nothing. USDC on Base.
POST/web/crawl$0.006Crawl one site in one paid call: start URL + max_pages (2-20); we follow same-host links breadth-first, returning each page as clean markdown (same extraction as /web/contents). Priced at $0.002 per requested page, quoted as max_pages up front — finding fewer pages is still a complete delivery. Failed pages are skipped and listed in skipped[]; the call still settles. Only an unreadable start page is a 400, no charge. USDC on Base, no account, no API key.
POST/web/places$0.01Google Places (local businesses with rating, address and phone number) for AI agents at $0.010 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top places with position, title, address, coordinates, rating, rating count, category, phone and website. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.
POST/crypto/feed/renew$2Extend an existing crypto change-feed subscription from /crypto/feed by 30 days, using the same feed_handle. Renewing before the expiry date adds the days on top of the remaining time, so polling never has a gap; renew late and the month starts today. Your cursor lives on your side and is unaffected.
POST/web/search$0.01Google-quality web search for AI agents at $0.010 per search. Send a query, get back compact JSON built for LLM consumption: top organic results (position, title, url, snippet), the direct answer when one exists, a trimmed knowledge graph and related searches. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC, no account, no API key.
POST/fi/company$0.01Official Finnish company check from the YTJ register (PRH open data). Look up by Business ID (exact) or search by name (up to 5 candidates). Returns the current official name, company form, main business line, registration/end dates, address, raw YTJ status codes and registered company situations such as bankruptcy or liquidation, with a direct YTJ link. Companies only.
POST/x402/demand-report$0.05What 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.
POST/web/scholar$0.02Google Scholar search (papers with citation counts) for AI agents at $0.020 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top papers with position, title, url, publication info, snippet, year and citation count. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 10 of 35 listed endpoints. First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/agentdata-api.sander-van-aard.workers.dev

Recent checks

27 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	314ms
15 Oct, 19:10 UTC	Challenge detected	402	122ms
14 Oct, 14:31 UTC	Challenge detected	402	116ms
12 Oct, 10:53 UTC	Challenge detected	402	92ms
10 Oct, 15:44 UTC	Challenge detected	402	105ms
9 Oct, 12:40 UTC	Challenge detected	402	90ms
8 Oct, 09:33 UTC	Challenge detected	402	83ms
7 Oct, 09:33 UTC	Challenge detected	402	295ms
6 Oct, 09:33 UTC	Challenge detected	402	124ms
27 Sept, 05:02 UTC	Challenge detected	402	95ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for agentdata-api.sander-van-aard.workers.dev?

Its listed price is $0.002.

What payment terms does agentdata-api.sander-van-aard.workers.dev advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is agentdata-api.sander-van-aard.workers.dev listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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