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Onvexia Watchlist Address Events
x402
Onvexia Watchlist Address Events is a paid API for AI agents from onvexia.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-19).
Retrieves on-chain events associated with watchlisted blockchain addresses across multiple chains
Price / call$0.001
Success—
StatusUnknown
How this service works
Thousands of assets across ten chains, half a million analysed documents, labelled addresses and supply-age history reaching back to 2008 — fused into one reading per asset. REST, SQL, GraphQL and MCP.
Output
Returns a JSON object with a `data` array of on-chain events associated with the user's watchlisted addresses (empty array means no events in range, not that monitoring is unsupported), plus a `meta` object with coverage and provenance information including a link to the full OpenAPI spec.
Example use cases
Monitoring flagged wallet activity
“Check Onvexia for the most recent on-chain events across all my watchlisted addresses and let me know if anything suspicious has come through in the last batch — pull up to 200 results.”
DeFi portfolio event tracking
“Fetch the latest blockchain events for all the crypto addresses I'm tracking in my Onvexia watchlist so I can see what transactions or interactions have occurred recently.”
Compliance alert review
“I need to review recent on-chain activity for the addresses on our watchlist — pull up to 500 events from Onvexia and flag anything that looks like unusual movement.”
Technical details
Endpoint
GEThttps://onvexia.com/v1/watchlists/addresses/eventsWhen to prefer
Use this endpoint when you need to retrieve discrete on-chain events (transactions, interactions, transfers) specifically tied to a pre-configured watchlist of addresses — rather than querying arbitrary addresses ad hoc. It is best suited for monitoring workflows where you have already curated a set of addresses of interest and want to poll for new activity. Prefer this over general blockchain explorers when you need Onvexia's labelled address intelligence and cross-chain coverage fused with event data.
Side effects
- Empty data array returned if no events exist for watchlisted addresses in range — not an error
- Limit parameter exceeds 500 cap, resulting in clamped or rejected response
- No watchlist configured for the authenticated account, returning empty results
- Authentication failure if x402 payment is not properly handled
- Network timeout on large result sets approaching the 500-row limit
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [],
"meta": {
"docs": "https://onvexia.com/openapi.json",
"endpoint": "/v1/watchlists/addresses/events"
}
}
}Tags
x402
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