List your API on PublicAPIs.io
Reach 37,000+ developers every month.
Free plan goes live in 4-5 weeks. Pro plan ($99) goes live in 72 hours.
Trusted by 1,000+ APIs already listed in the directory.
Choose how you want to list your API
Free Plan
Free
🕒 Go live in 4-5 weeks
✓ Listed in API directory
✓ Appears in relevant category and search
✓ Basic listing in the directory
Perfect if you're not in a rush and want free exposure.
RECOMMENDED
Pro Plan
$99
⚡ Go live in 72 hours
Everything in Free Plan, plus:
✓ Fast-track approval (72 hours)
✓ Access to API details listing page
✓ Priority support via email
✓ Higher visibility in search results
Perfect if you want to get listed quickly and access premium features.
Submit your API
What happens next
For Free Plan: We'll review and approve your submission. You'll go live in 4-5 weeks with a basic listing in the directory.
Why APIs care about being listed here
Developer-first traffic.
People land here because they're searching for APIs, not memes.
Long-term discovery.
Once you're listed, you keep getting views as devs search categories.
Good company.
You sit alongside 1,000+ other public APIs in the catalog.
Zero lock-in.
Standard listing is free. You can upgrade to sponsor later if it's working for you.
FAQ
Q: Is my API guaranteed to be added?
A: If it's legit, documented, and not obvious spam or scam, yes. We still reserve the right to reject low-quality stuff.
Q: Can I upgrade to Pro later?
A: Yes. Start with the free plan and upgrade to Pro anytime if you need faster approval and premium features.
Q: What does "API details listing page" mean?
A: Pro plan members get access to a dedicated detail page with extended information about their API, including features, pricing, and documentation links.
Q: How does priority support work?
A: Pro plan members get priority email support with faster response times for any questions or issues about their listing.
Q: Is the $99 Pro plan a one-time fee?
A: Yes, it's a one-time payment for fast-track approval and access to premium features including the API details page.