Is US Street Address API down?
Current status, daily uptime history and troubleshooting for the US Street Address API (Data Validation).
No, US Street Address is up
US Street Address answered our last daily check (Oct 24, 2026, 12:25 UTC) in 559 ms with HTTP 200.
Checking US Street Address now…
Sending a request from our server.
US Street Address API uptime history
- Uptime
- 2 checks so far
- Last check
- Oct 24, 2026, 12:25 UTC
- Response
- 559 ms · HTTP 200
- Last up
- Now
We check US Street Address's listed URL (https://www.smarty.com/docs/cloud/us-street-api) once a day. History started when US Street Address was first checked, so new entries show fewer than 30 days.
US Street Address API not working for you?
- US Street Address 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
Attestwire API
Online · 700 msValidate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 3
Postman Echo API
Online · 2932 msTest api server to receive and return value from HTTP method.
- No API key needed
- HTTPS
No authHTTPSCORS ? - 4
Temsor API
Online · 668 msValidates Turkish national ID, tax number, IBAN, phone, plate and parses addresses.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 5
US Extract API
Online · 520 msExtract postal addresses from any text including emails.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
Compare all US Street Address alternatives · APIs down right now
US Street Address API status FAQ
Is US Street Address API down right now?
US Street Address answered our last daily check (Oct 24, 2026, 12:25 UTC) in 559 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether US Street Address is responding at this moment.
How do you check whether US Street Address API is up?
Once a day our checker requests US Street Address's listed URL (https://www.smarty.com/docs/cloud/us-street-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 Street Address API is down?
Free Data Validation APIs that were up at their last check include US Autocomplete, Attestwire, Postman Echo. See the full list of US Street Address alternatives for a comparison.
Why does US Street Address API work for others but not for me?
US Street Address 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.