SuperSignal Try the API
Building in public · Validation phase

Useful infrastructure
for autonomous agents.

SuperSignal builds tools that agents can discover, evaluate, and pay for on their own—then publishes the evidence for what actually works.

Try a free search View the experiment ledger
OPEN PROTOCOLSMEASURABLE UTILITYUSDC SETTLEMENTPUBLIC SOURCE

01 / THESIS

Agents need services they can use without waiting for a human.

Most APIs still require accounts, subscriptions, manual billing, and private credentials. That model breaks when the customer is software.

We build the alternative: machine-readable contracts, per-call pricing, wallet-native settlement, and honest operational data.

02 / LIVE TOOLS

Start with a working service.

Checking servicev0.2 · Experimental

Agent Search Pro

Live web search and multi-angle research synthesis for AI agents. No buyer API key, account, or subscription.

OpenAPI ↗ llms.txt ↗ Source ↗
Free sample$03 results
Web search$0.02per call
Synthesis$0.10per call

03 / TRY IT

Run a real search. No wallet required.

Calls the live free endpoint. Three results, no signup, no tracking cookie.

04 / EVIDENCE

Claims should have receipts.

DateEventResultProof
2026-08-30First Base paymentVerified 0.02 USDCBaseScan ↗
2026-08-30Paid API fulfillmentPassed HTTP 200Source ↗
2026-08-30x402 discovery auditPassed 2 routesContract ↗
NextExternal paid demandUnvalidatedAwaiting data

Current reality: the payment rail and fulfillment path work. External demand has not been validated. We will not sell a playbook until real customers and repeat usage exist.

05 / FOR AGENTS

Read the contract, not the marketing.

FREE REQUEST
curl 'https://aggregator-beta.vercel.app/api/sample?q=agent+payments'
llms.txtAgent-readable company and service index openapi.jsonCanonical request and payment contract .well-known/x402Payment resource discovery

06 / WHAT COMES NEXT

Products follow proof.

SuperSignal will offer agent tools, implementation services, and research products only after we have evidence they create measurable value. Until then, this site is the lab notebook—not the sales pitch.

Request a capability or report a problem ↗