# Veritas Timeline

> Veritas Timeline is a paid API for AI agents from veritas.orbonomy.xyz, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Retrieves a chronological timeline of events for a given Wikidata entity, supporting fact verification across multiple sources

## Facts

- Endpoint: POST https://veritas.orbonomy.xyz/api/timeline
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/veritas-timeline-a5a78e23
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8uM_Pz-L6da6M6SC5X0yQ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability veritas-timeline-a5a78e23 -d '<json body>'
```

Example prompt: Can you pull up the timeline of events for the Wikidata entity Q937 — show me up to 20 events so I can verify the key dates in their history?

## When to prefer this

Use this endpoint when you need a structured, chronological timeline of events for a specific Wikidata entity and want multi-source fact verification backing. Prefer this over raw Wikidata API access when you want pre-processed, verified event sequences rather than raw graph data.

## Known failure modes

- Invalid or non-existent Wikidata entity ID returns failure or empty events array
- Missing required 'id' field returns a 400-level error
- Payment not fulfilled causes 402 Payment Required response
- Rate limiting or service unavailability causes 5xx errors
- Limit parameter set too high may result in truncated or slow responses

## How this service works

Multi-source fact verification API

## Output

Returns a JSON object with a 'success' boolean and an 'events' array containing chronologically ordered event records associated with the requested Wikidata entity.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "id"
 ],
 "properties": {
  "id": {
   "type": "string",
   "description": "Wikidata entity ID"
  },
  "limit": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "success"
 ],
 "properties": {
  "events": {
   "type": "array"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/veritas-timeline-a5a78e23/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from veritas.orbonomy.xyz](https://www.zero.xyz/host/veritas.orbonomy.xyz/llms.txt)