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ProviderSignal License Events Historical
x402
ProviderSignal License Events Historical is a paid API for AI agents from providersignal.com, paid per call via x402, $1.5/call, status unknown (last checked 2026-09-14).
Retrieves the full historical log of license status changes, disciplinary actions, and address changes for a specific US healthcare provider by NPI number.
Price / call$1.5
Success—
StatusUnknown
How this service works
Healthcare market intelligence API. Unified provider directory + acquisition signals + license-events feed across all 50 US states, derived from NPI + state dental boards + CMS Medicare + OIG LEIE + state Medicaid + HRSA HPSA designations. All responses ship a citation envelope (`meta.envelope_version`, `meta.source_attribution`, `meta.request`) so agents can verify source freshness without out-of-band validation. Paid `/api/v1/agent/*` endpoints accept two per-call rails on a single 402: x402 (USDC on Base mainnet) and MPP (Stripe card via a Shared Payment Token), plus Bearer-token subscription auth for existing API keys. See [/docs/agent-payments](/docs/agent-payments) for the full flow. See [/docs/fields](/docs/fields) for the field glossary and [/llms.txt](/llms.txt) for the LLM crawler index.
Output
Returns a paginated array of license events for the specified provider, each with event type (e.g. STATUS_CHANGE, DISCIPLINARY_ACTION, ADDRESS_CHANGE), state, source system, old and new values, event date, and creation timestamp. Also includes total event count and a citation envelope with source attribution, last refresh timestamps, and schema versions for each underlying data source.
Example use cases
Pre-acquisition provider due diligence
“Before we finalize the acquisition of this dental practice, pull the complete license history for NPI 1376155820 and flag any disciplinary actions or license revocations.”
Compliance monitoring for credentialing
“I need to verify whether the provider with NPI 1003845678 has had any license status changes or disciplinary actions in Texas in the last few years — pull their full event history.”
Investigative alert on expired license
“We got a flag that a provider's license may have lapsed — can you check the license event history for NPI 1922337456 and tell me if there's a STATUS_CHANGE from Active to Expired?”
Technical details
Endpoint
GEThttps://providersignal.com/api/v1/agent/license/events/historicalWhen to prefer
Use this endpoint when you need the complete auditable timeline of license changes for a specific provider identified by NPI — particularly for due diligence, credentialing, compliance auditing, or acquisition workflows. It is preferable to point-in-time license lookups when you need historical context, trend analysis, or need to detect past disciplinary actions that may no longer be visible in current state.
Side effects
- Invalid NPI format (must be exactly 10 digits) returns a validation error
- Unknown NPI with no records returns an empty events array with total_events: 0
- Payment failure via x402 or MPP returns HTTP 402 with payment requirements
- Rate limiting or quota exhaustion returns HTTP 429
- Source data temporarily unavailable may result in stale or partial citation envelope
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"npi": "1376155820",
"events": [
{
"state": "TX",
"source": "tsbde",
"new_value": "Expired",
"old_value": "Active",
"created_at": "2025-11-01T03:14:22Z",
"event_date": "2025-10-31",
"event_type": "STATUS_CHANGE"
}
],
"total_events": 4
},
"meta": {
"envelope_version": "1.0"
},
"error": null
}
}Tags
x402
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