Prisma Reviews / Integrations / Open VSX
Open VSX reviews API
Read and reply to Open VSX reviews with the same API you use for every other platform. Every review of the extension, with stars, text, reviewer and date.
Read only Beta
Open VSX reviews can be read through Prisma’s REST API: one API key, the same JSON fields as every other platform (rating, text, author, date, reply, url) and a webhook for each new review. Open VSX doesn’t let third parties reply by API, so each review carries a link to answer it on the platform.
- Reviews
- Read only
- Connects with
- Public listing page, no login shared
- Format
- Same JSON as every platform: rating, text, author, date, reply, url
- Webhooks
- review.created, review.updated
- Status
- Beta
# List new reviews
curl "https://api.prismareviews.com/v1/reviews?platform=openvsx&since=2026-10-01" \
-H "Authorization: Bearer $PRISMA_API_KEY"
# Open VSX is read only: answer each review on the platform, at its url
curl "https://api.prismareviews.com/v1/reviews/rev_01JB7Q" \
-H "Authorization: Bearer $PRISMA_API_KEY" # → "url": "https://…" const BASE = "https://api.prismareviews.com/v1";
const headers = { Authorization: `Bearer ${process.env.PRISMA_API_KEY}` };
// List new reviews
const { data } = await fetch(`${BASE}/reviews?platform=openvsx&since=2026-10-01`, { headers })
.then((r) => r.json());
// Open VSX is read only: answer each review on the platform, at its url
for (const review of data) console.log(review.rating, review.url); import os, requests
BASE = "https://api.prismareviews.com/v1"
headers = {"Authorization": f"Bearer {os.environ['PRISMA_API_KEY']}"}
# List new reviews
data = requests.get(f"{BASE}/reviews", headers=headers,
params={"platform": "openvsx", "since": "2026-10-01"}).json()["data"]
# Open VSX is read only: answer each review on the platform, at its url
for review in data:
print(review["rating"], review["url"]) What you get for Open VSX
Who it’s for
For VS Code extension publishers on Open VSX, the registry behind VSCodium, Cursor, Gitpod and Eclipse Theia. Free on every plan.
Frequently asked questions
Can I reply to Open VSX reviews through the API?
Read only: Open VSX has no reply to reviews. Every review links to the extension’s page.
How do my customers connect Open VSX?
The publisher pastes the extension’s page on open-vsx.org. No login is shared.
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