AgentIndex — measured reliability for agent services

Is this endpoint alive, how long we have known it, what protocols it answers on, what it charges, and whether real money has ever reached it. Answered from our own probe record rather than the service's own claims. First 500 calls a day are free.

Post up to 1000 domains, get one scored row back per row in: score, grade, 90-day uptime, probe count and distinct on-chain payers. The shape an enrichment pipeline expects.

What this endpoint charges as we last observed it, not as it advertises, with the live payment terms and whether they match the published ones.

Best value in one capability category: observed price ranked against our own measured uptime. A cheap service that is down is worth nothing, so price alone is not the ranking.

Find services by the tools they actually publish, searching the real tool lists of the 6,530 services that expose one rather than their marketing text.

Services that appeared recently, roughly 170 a day. New means new to us; a service may predate our first sight of it.

Services that used to answer and have stopped. Never-alive services are excluded, so this lists things that broke rather than things that never worked.

Has this endpoint changed since a moment you name. Stateless by design: you pass the time you last looked, we compare it against our probe record. No account and no subscription to administer.

The 90-day probe record for one service, probe by probe. This is the part nobody who started later can reconstruct.

On-chain payment evidence for one service: how many payments, how many distinct paying wallets, first and last seen. Read off the chain, not off a claim. Counts are per receiving wallet, so one operator on several hostnames shows the same totals on each.

Capability search over the verified agent index (ranked results).

Full endpoint profile: ARD catalog, declared tools, protocol detection, trust provenance, liveness.

Liveness attestation: live protocol probe at request time plus retained probe history.

Measured-signal score: liveness history, on-chain payment evidence, cross-registry corroboration, protocol richness. No self-reported fields.

Builder Demand Report: what builders are asking for, ranked by theme with evidence, crossed against our measured supply index to surface capability gaps. Regenerated from a nightly-mined signal corpus. Free preview at /demand/preview.

Change feed: recently added, changed or newly dark endpoints, filterable by protocol and time window.

Bulk snapshot: cursor-paginated export of endpoints or resources.

Service Report: one page on a single indexed service -- live status, 30 and 90 day uptime computed from our own probe history, advertised price, on-chain payment evidence, TLS state, declared tools, three alternatives, and a verdict. Every figure cites the table it came from. Domains we do not hold

Daily Top Ten: the ten highest scoring services in one capability category, refrozen each night after the crawl. Score is out of 100 from liveness history (40), on-chain payment evidence (30), cross-registry corroboration (15), protocol richness (10) and enrichment quality (5) -- every input measure

The full ranked table: every service we hold probe history for, scored, ordered and tagged with its categories. Cursor-paginated via limit and offset. One purchase, the whole index.

Weekly Change List: services that came alive and services that went dark over the last seven days, with index-wide totals. Rebuilt hourly, same issue served to every buyer.

Publisher verification: independent protocol probe and liveness attestation for a submitted URL.