Is US Extract API down?
Current status, daily uptime history and troubleshooting for the US Extract API (Data Validation).
No, US Extract is up
US Extract answered our last daily check (Oct 24, 2026, 12:25 UTC) in 520 ms with HTTP 200.
Checking US Extract now…
Sending a request from our server.
US Extract API uptime history
- Uptime
- 2 checks so far
- Last check
- Oct 24, 2026, 12:25 UTC
- Response
- 520 ms · HTTP 200
- Last up
- Now
We check US Extract's listed URL (https://www.smarty.com/products/apis/us-extract-api) once a day. History started when US Extract was first checked, so new entries show fewer than 30 days.
US Extract API not working for you?
- US Extract needs an API key. A 401 or 403 usually means a missing, expired or mis-sent credential: check whether it belongs in a header or the query string.
- A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
- If it works from one network but not another, check firewalls, VPNs and regional blocks.
- Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.
Data Validation APIs up at their last check
- 1
US Autocomplete API
Online · 976 msEnter address data quickly with real-time address suggestions.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 2
US Street Address API
Online · 559 msValidate and append data for any US postal address.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 3
Attestwire API
Online · 700 msValidate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 4

Postman Echo API
Online · 2932 msTest api server to receive and return value from HTTP method.
- No API key needed
- HTTPS
No authHTTPSCORS ? - 5
Temsor API
Online · 668 msValidates Turkish national ID, tax number, IBAN, phone, plate and parses addresses.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
US Extract API status FAQ
Is US Extract API down right now?
US Extract answered our last daily check (Oct 24, 2026, 12:25 UTC) in 520 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether US Extract is responding at this moment.
How do you check whether US Extract API is up?
Once a day our checker requests US Extract's listed URL (https://www.smarty.com/products/apis/us-extract-api) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.
What can I use if US Extract API is down?
Free Data Validation APIs that were up at their last check include US Autocomplete, US Street Address, Attestwire. See the full list of US Extract alternatives for a comparison.
Why does US Extract API work for others but not for me?
US Extract needs an API key. A 401 or 403 usually means a missing, expired or mis-sent credential: check whether it belongs in a header or the query string. A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. If it works from one network but not another, check firewalls, VPNs and regional blocks.