← APIs / ChronicaPulse
Verified

ChronicaPulse

PulseNetworkby PulseNetwork · Intelligence APIs, Data, AI Agents

Global historical newspaper archive intelligence API. 9 endpoints covering person research, obituaries, historical events, place history, immigration records, military service, business history, chronological timelines, and full-text archive search. Primary source: Library of Congress Chronicling America (30M+ pages, 1770–1963, free). Global coverage via British Newspaper Archive, Trove (Australia), Gallica (France), Europeana, GenealogyBank, and Newspapers.com. Built for genealogists, historians, journalists, and researchers. Pay-per-query via x402 on Base.

searchfederated
Price per request
$0.05
About

Global historical newspaper archive intelligence API. 9 endpoints covering person research, obituaries, historical events, place history, immigration records, military service, business history, chronological timelines, and full-text archive search. Primary source: Library of Congress Chronicling America (30M+ pages, 1770–1963, free). Global coverage via British Newspaper Archive, Trove (Australia), Gallica (France), Europeana, GenealogyBank, and Newspapers.com. Built for genealogists, historians, journalists, and researchers. Pay-per-query via x402 on Base. Part of PulseNetwork, operated by The Aslan Group LLC. Apiosk indexes this federated listing and adds ref=apiosk for attribution; calls and x402 payments go directly to PulseNetwork.

Hosted by the provider

Apiosk lists this API but does not proxy it. Call the provider's URL directly and pay them over x402 — Apiosk never sits between you and the response.

Open provider →

ResourceDescription
https://chronicapulse.theaslangroupllc.com/api/chronica/search?ref=apiosk Archive search for genealogy and research agents. Full-text search across global digitized newspaper archives. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/person?ref=apiosk Person research for genealogy and family-history agents. Finds ancestors and historical figures across digitized newspaper archives. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/obituary?ref=apiosk Obituary research for genealogy and family-history agents. Returns death notices, survivor lists, and genealogical detail from historical newspaper archives. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/event?ref=apiosk Historical event research for research and historian agents. Returns how newspapers covered wars, disasters, social movements, and world events as primary sources. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/place?ref=apiosk Place history research for genealogy and research agents. Returns the newspaper history of any town, city, or neighborhood. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/immigration?ref=apiosk Immigration research for genealogy and family-history agents. Returns ship records, passenger lists, ethnic press, naturalization, and immigrant-community newspapers. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/military?ref=apiosk Military history research for genealogy and family-history agents. Returns service records, draft notices, casualty lists, and homecoming coverage from historical newspapers. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/business?ref=apiosk Business history research for genealogy and research agents. Returns historical newspaper coverage of companies, shops, and industries from digitized archives. Open
https://chronicapulse.theaslangroupllc.com/api/chronica/timeline?ref=apiosk Chronological timeline for genealogy and research agents. Returns a narrative for a person, place, or topic across historical newspaper archives. Open
Technical Specs
Auth MethodNone (x402 payment proof only)
Response FormatJSON
Endpoints9
Endpoints
MethodPathDescriptionCost
GET /api/chronica/business Business history research for genealogy and research agents. Returns historical newspaper coverage of companies, shops, and industries from digitized archives.
$0.08 default
 View details
GET /api/chronica/event Historical event research for research and historian agents. Returns how newspapers covered wars, disasters, social movements, and world events as primary sources.
$0.08 default
 View details
GET /api/chronica/immigration Immigration research for genealogy and family-history agents. Returns ship records, passenger lists, ethnic press, naturalization, and immigrant-community newspapers.
$0.12 default
 View details
GET /api/chronica/military Military history research for genealogy and family-history agents. Returns service records, draft notices, casualty lists, and homecoming coverage from historical newspapers.
$0.10 default
 View details
GET /api/chronica/obituary Obituary research for genealogy and family-history agents. Returns death notices, survivor lists, and genealogical detail from historical newspaper archives.
$0.10 default
 View details
GET /api/chronica/person Person research for genealogy and family-history agents. Finds ancestors and historical figures across digitized newspaper archives.
$0.12 default
 View details
GET /api/chronica/place Place history research for genealogy and research agents. Returns the newspaper history of any town, city, or neighborhood.
$0.08 default
 View details
GET /api/chronica/search Archive search for genealogy and research agents. Full-text search across global digitized newspaper archives.
$0.05 default
 View details
GET /api/chronica/timeline Chronological timeline for genealogy and research agents. Returns a narrative for a person, place, or topic across historical newspaper archives.
$0.15 default
 View details
Endpoint documentation
GET/api/chronica/business
$0.08 default
Description

Business history research for genealogy and research agents. Returns historical newspaper coverage of companies, shops, and industries from digitized archives.

Documentation

Business history

Historical newspaper coverage of companies — founding, labor history, employees, advertisements

**Price:** $0.08 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.08 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "business": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "era": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "location": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "business"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/event
$0.08 default
Description

Historical event research for research and historian agents. Returns how newspapers covered wars, disasters, social movements, and world events as primary sources.

Documentation

Historical event coverage

How contemporary newspapers covered historical events — regional perspectives, genealogical connections

**Price:** $0.08 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.08 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "event": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_end": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_start": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "event"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/immigration
$0.12 default
Description

Immigration research for genealogy and family-history agents. Returns ship records, passenger lists, ethnic press, naturalization, and immigrant-community newspapers.

Documentation

Immigration research

Ship manifests, passenger lists, ethnic press, naturalization — with name anglicization guidance

**Price:** $0.12 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.12 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "destination": {
      "description": "US destination city",
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "name": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "origin": {
      "description": "Country of origin",
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year": {
      "description": "Approximate arrival year",
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/military
$0.10 default
Description

Military history research for genealogy and family-history agents. Returns service records, draft notices, casualty lists, and homecoming coverage from historical newspapers.

Documentation

Military service research

Draft notices, casualty lists, homecomings, decorations, unit history, NARA guidance

**Price:** $0.1 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.10 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "conflict": {
      "description": "Civil War | WWI | WWII | Korean War | Vietnam",
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "location": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "name": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "name"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/obituary
$0.10 default
Description

Obituary research for genealogy and family-history agents. Returns death notices, survivor lists, and genealogical detail from historical newspaper archives.

Documentation

Obituary research

Extract genealogical data from obituaries and death notices — spouse, children, parents, pallbearers, burial

**Price:** $0.1 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.10 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "location": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "name": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "name"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/person
$0.12 default
Description

Person research for genealogy and family-history agents. Finds ancestors and historical figures across digitized newspaper archives.

Documentation

Person research

Find a person in historical newspaper archives — life events, family members, occupation, DNA recommendation

**Price:** $0.12 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.12 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "location": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "name": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_end": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_start": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "name"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/place
$0.08 default
Description

Place history research for genealogy and research agents. Returns the newspaper history of any town, city, or neighborhood.

Documentation

Place history

Newspaper history of any town, city, or neighborhood — ethnic communities, migration patterns, local papers

**Price:** $0.08 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.08 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "place": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_end": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_start": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "place"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/search
$0.05 default
Description

Archive search for genealogy and research agents. Full-text search across global digitized newspaper archives.

Documentation

Archive search

Full-text search across Chronicling America and global digitized newspaper archives

**Price:** $0.05 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.05 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "q": {
      "description": "Search query",
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "state": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_end": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_start": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "q"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
GET/api/chronica/timeline
$0.15 default
Description

Chronological timeline for genealogy and research agents. Returns a narrative for a person, place, or topic across historical newspaper archives.

Documentation

Chronological timeline

Synthesize newspaper coverage into a dated chronological narrative for a person, place, or topic

**Price:** $0.15 USDC per call

Calls go directly to PulseNetwork. Paid routes use the live x402 challenge; Apiosk never rewrites payTo or settles the payment.

Pricing
$0.15 default
Authentication

No account or API key. Pay PulseNetwork directly using the live x402 challenge. The challenge is authoritative for price, network, asset and payTo.

Parameters
{
  "properties": {
    "lang": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "subject": {
      "required": true,
      "type": "string",
      "x-parameter-location": "query"
    },
    "type": {
      "enum": [
        "person",
        "place",
        "topic"
      ],
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_end": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    },
    "year_start": {
      "required": false,
      "type": "string",
      "x-parameter-location": "query"
    }
  },
  "required": [
    "subject"
  ],
  "type": "object"
}
Links
External documentation ↗OpenAPI / Swagger ↗
Home · Documentation · Apiosk.com