verified provider

factstamp.agentrails.workers.dev

10 listed endpoints · free reliability snapshot (may be up to 24h old)

endpoints

avg trust score

73.4

ecosystem avg 48.7

avg 30-day uptime

98.0%

ecosystem avg 54.4%

avg latency (EU)

1081 ms

measured from a single EU vantage point; includes network round-trip distance to the endpoint

price band

$0.02–$5

USDC per call

networks

1 MCP-native

✓ provider verified Alpine AI

Paid verification for agents: cited, dated answers about a company, a figure or a citation, each with a signed receipt that verifies offline.

Contact: info@alpineai.com.au · Support · Docs
Victoria, Australia

Base 1 MCP-native · 9 HTTP

B 10

At a glance

factstamp.agentrails.workers.dev operates 10 listed x402 endpoints across 1 network. 10 of them carry a computed trust score, averaging 73.4 of 100 (above the ecosystem average of 48.7). Average 30-day uptime across the measured endpoints is 98.0% (above the ecosystem average of 54.4%). Advertised prices range from $0.02 to $5 USDC per call. Best-scored endpoint: /citation (grade B, 76.3).

Top endpoints by trust score

All endpoints

endpoint▼	grade▼	uptime 30d▼	conf.▼	price▼
FactStamp/mcpPaid verification for agents: cited, dated answers with a signed re…	B 66.6	100.0%	1.00	$0.05
/citationCheck a citation before repeating it. Give a DOI, an arXiv ID or a…	B 76.3	100.0%	1.00	$0.02
/packageCheck a dependency before installing it. Give a package and, option…	B 76.3	100.0%	1.00	$0.02
/entityVerify whether a legal entity exists and is currently registered, f…	B 75.0	100.0%	1.00	$0.1
/watch/portfolioWatch a whole list at once, when a bibliography or a dependency man…	B 74.0	99.0%	0.87	$5
/watchBuy a standing re-check of one citation or one package version, whe…	B 74.0	99.0%	0.87	$0.5
/bulkCheck a whole bibliography or dependency manifest in one round trip…	B 74.3	99.0%	0.87	$0.12
/documentCall it before you send, file or publish a document that quotes fig…	B 74.0	99.0%	0.87	$0.25
/checkCheck a dated figure you are about to act on against the publisher'…	B 74.3	99.0%	0.87	$0.05
/entity-fileWhen you need the whole picture of one company before you sign, onb…	B 68.8	85.5%	0.83	$0.438119

Grades are our independent measurement, recomputed daily; provider-supplied names and descriptions are unverified claims. Live re-probe and 90-day history via the paid API.