Fund Monitoring

• keep a fund directory current across managers
• refresh latest NAV or snapshot data in a product or internal workflow
• detect new disclosures and holdings updates
• trigger downstream notifications or review flows when a tracked fund changes

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What Rangler gives you

• GET /v1/funds
• GET /v1/funds/{fund_id}
• GET /v1/funds/{fund_id}/snapshots
• GET /v1/funds/{fund_id}/events
• GET /v1/events?type=fund.snapshot.updated&type=fund.disclosure.updated
• webhook subscriptions filtered to fund.snapshot.updated and fund.disclosure.updated

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Start with webhooks

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Directory sync

curl -s "https://sandbox-api.rangler.co/v1/funds?limit=50" \
  -H "X-API-Key: rgl_test_your_key_here" | python3 -m json.tool

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Latest NAV refresh

curl -s "https://sandbox-api.rangler.co/v1/funds/{fund_id}" \
  -H "X-API-Key: rgl_test_your_key_here" | python3 -m json.tool

• latest_snapshot
• latest_holdings_snapshot
• latest_snapshot.as_of_date
• latest_snapshot.price

from ranglerpy import RanglerClient

client = RanglerClient(api_key="rgl_test_your_key_here", environment="sandbox")
fund = client.funds.get("fund_uuid_here")

print(fund["name"], fund["latest_snapshot"]["as_of_date"], fund["latest_snapshot"]["price"])

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Latest disclosure update

curl -s "https://sandbox-api.rangler.co/v1/funds/{fund_id}/snapshots?limit=12" \
  -H "X-API-Key: rgl_test_your_key_here" | python3 -m json.tool

from ranglerpy import RanglerClient

client = RanglerClient(api_key="rgl_test_your_key_here", environment="sandbox")
snapshots = client.funds.list_snapshots("fund_uuid_here", limit=12)

for snapshot in snapshots["items"]:
    print(snapshot["as_of_date"], snapshot["factsheet_title"], snapshot["disclosure_kind"])

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Check the event feed for missed deliveries

curl -s "https://sandbox-api.rangler.co/v1/events?type=fund.snapshot.updated&type=fund.disclosure.updated&limit=25" \
  -H "X-API-Key: rgl_test_your_key_here" | python3 -m json.tool

from ranglerpy import RanglerClient

client = RanglerClient(api_key="rgl_test_your_key_here", environment="sandbox")

for event in client.v1.events.auto_paging_iter(
    event_types=["fund.snapshot.updated", "fund.disclosure.updated"],
    limit=100,
):
    print(event.type, event.fund_id, event.occurred_at.isoformat())

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Recommended rule

1. Create a webhook endpoint
2. Choose the Fund monitoring preset
3. Keep event types:
   • fund.snapshot.updated
   • fund.disclosure.updated
4. Add fund IDs if you want a narrowed rule
5. Leave company IDs empty

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Example webhook payload usage

1. verifies the Rangler signature
2. checks the event type
3. stores event.id in a durable inbox for duplicate-delivery protection
4. fetches additional fund detail if needed
5. updates downstream state or sends a human alert

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Top-holdings change monitoring

1. receive or read fund.disclosure.updated
2. fetch the latest snapshot
3. compare top_holdings or holdings-derived fields in your own workflow

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Recommended first production path

1. sync the fund directory
2. register a webhook endpoint and fund-monitoring subscription
3. read event feeds periodically to catch missed deliveries and load earlier records