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Every macro data API gives you what the data says today. Vintl gives you what the data said then.

Quickstart

First API call in under 2 minutes. Free tier, no credit card.

Point-in-time queries

One parameter to query what the data said on any historical date.

API Reference

Interactive playground for every endpoint.

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The problem

GDP published on October 26, 2023: $22,491B. That same quarter revised by September 2025: $22,841B. A $349 billion gap. If your backtest uses today’s numbers, it’s using information that didn’t exist when the trade would have been placed. 
# Add ?as_of= to any macro query. That's all it takes.
curl -H "X-API-Key: YOUR_API_KEY" \
  "https://api.vintl.io/v1/series/GDPC1/observations?as_of=2023-10-26"
Returns "22491.567" — the advance estimate published that day, not today’s revision.

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Data coverage

Treasury yields

Daily par and TIPS curves. 14 maturities, 1990-present. Spreads in basis points. Never revised.

Macro indicators

GDP, CPI, unemployment, payrolls, fed funds, industrial production, housing starts, PCE. Every revision tracked.

Point-in-time snapshots

?as_of=DATE on any macro series. Returns exactly what was published on that date.

Revision history

Full audit trail for every data point. See how GDP moved across 5 revisions over 2 years.

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Design principles

Consistent object, request_id, status, results across every endpoint. Cursor pagination. RFC 9457 errors. If you’ve used Stripe’s API, this will feel familiar.

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Start building

1

Get your API key

Sign up at app.vintl.io. Free tier: 500 requests/day, no credit card.
2

Make your first call

Follow the quickstart — real economic data in one curl command.
3

Explore point-in-time

Read the point-in-time guide to understand the as_of parameter.
Last modified on March 29, 2026