Is Seller Fee API down?
Current status, daily uptime history and troubleshooting for the Seller Fee API (Business).
No, Seller Fee is up
Seller Fee answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1566 ms with HTTP 200.
Checking Seller Fee now…
Sending a request from our server.
Seller Fee API uptime history
- Uptime
- 100% of 10 checks
- Last check
- Nov 15, 2026, 13:58 UTC
- Response
- 1566 ms · HTTP 200
- Last up
- Now
We check Seller Fee's listed URL (https://seller-fee-api.narwhalapis.workers.dev) once a day. History started when Seller Fee was first checked, so new entries show fewer than 30 days.
Seller Fee API not working for you?
- 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.
Business APIs up at their last check
- 1
Legal Sandbox Georgia API
Online · 2784 msFind verified legal specialists in Georgia from natural-language queries.
- No API key needed
- 100% uptime (30 days)
- Returns JSON at its URL
- Callable from the browser (CORS)
No authHTTPSCORS - 2
Verif Entreprise FR API
Online · 1210 msFrench company checks by SIREN: status, insolvency (BODACC), VAT (VIES); free preview.
- No API key needed
- 100% uptime (30 days)
- Returns JSON at its URL
- Callable from the browser (CORS)
No authHTTPSCORS - 3
Logoapi
Online · 1530 msFree SVG company logos by domain, plus search by name. No signup.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
Softoteca API
Online · 1909 msCatalog of Brazilian software with the source of each data point and prices in BRL.
- No API key needed
- 100% uptime (30 days)
- Returns JSON at its URL
- Callable from the browser (CORS)
No authHTTPSCORS - 5
W System EU Business Data API
Online · 1873 msEU VAT (VIES) and EORI validation, company registers, EU/UN/OFAC/UK sanctions screening.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Seller Fee API status FAQ
Is Seller Fee API down right now?
Seller Fee answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1566 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether Seller Fee is responding at this moment.
How do you check whether Seller Fee API is up?
Once a day our checker requests Seller Fee's listed URL (https://seller-fee-api.narwhalapis.workers.dev) 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.
How reliable is Seller Fee API?
Seller Fee answered 100% of our last 10 daily checks. Above 99% is excellent for a free API; below 95% means you should cache responses and keep a fallback ready.
What can I use if Seller Fee API is down?
Free Business APIs that were up at their last check include Legal Sandbox Georgia, Verif Entreprise FR, Logoapi. See the full list of Seller Fee alternatives for a comparison.
Why does Seller Fee API work for others but not for me?
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.