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LedgerProof LAIN Confidence
x402
LedgerProof LAIN Confidence is a paid API for AI agents from ledgerproofhq.io, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Gathers and anchors independently verifiable public-record evidence about an entity, product, or firm to quantify confidence levels, returning a cryptographically anchored evidence receipt and evidence-graph node.
Price / call$0.05
Success—
StatusUnknown
How this service works
LAIN confidence: independently verifiable evidence about the subject — <entity/product/firm>
Output
Returns an outcome of 'settled' along with an anchored evidence receipt containing a content hash, sequence number, and a verify URL for independent verification, plus a permanent evidence-graph node backed by public-record evidence about the queried subject.
Example use cases
Startup due diligence before funding
“I'm considering investing in NovaBridge Technologies and I have about 0.2 confidence in them right now — can you gather anchored public-record evidence to help me reach a confidence level of 0.85?”
Vendor trust verification for procurement
“Before we sign a supplier contract with GlobalParts Ltd., can you get independently verifiable evidence about them? My current confidence is 0.4 and I need to hit 0.75 to proceed.”
Product claim verification for compliance
“Our compliance team needs anchored evidence about the legitimacy of ClearMed's FDA-cleared claim — we're starting at 0.1 confidence and need to reach 0.9 before we can list them as an approved vendor.”
Technical details
Endpoint
POSThttps://ledgerproofhq.io/api/lain/confidenceWhen to prefer
Choose this endpoint when you need cryptographically anchored, independently verifiable evidence about a specific entity, product, or firm — particularly for due diligence, compliance, or trust-gating workflows where a permanent, auditable evidence trail is required. It is especially valuable when you have a current confidence score and a required confidence threshold, and need to close the gap with structured public-record evidence rather than unverified web search results.
Side effects
- Subject entity not found in public records — insufficient evidence returned
- Payment settlement failure via x402 protocol — call not processed
- Invalid confidence range (values outside 0–1) — schema validation error
- Subject string too ambiguous — multiple entity matches with no disambiguation
- Anchoring service unavailable — receipt generation fails
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| subject | string | entity, product or firm to gather evidence about |
| settlement | string | |
| current_confidence | number | |
| required_confidence | number |
Output
Schema · Response
{
"outcome": "settled",
"receipt": "anchored evidence receipt {content_hash,sequence,verify_url}",
"evidence": "anchored public-record evidence + a permanent evidence-graph node"
}Tags
x402
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