Similarweb API

Similarweb Similar sites API

Find the websites Similarweb ranks as most similar to any website: up to 20 competitor and alternative sites in similarity order, each with its similarity score, category, top-country rank, estimated monthly visits, and description - as normalized JSON.

POST/v1/run/similarweb.similar_sites
Uptime
100.00%
30d · 1 call
Requests
1
30d
Response
4.8s
median · 30d

Provider network

Providers ranked by traffic

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Full parameter and response reference - every field, type, and example for this endpoint.

Reference

Request, response, and price

Last verified 2026-09-23 · uptime and latency measured over 30d
FieldTypeExample value
Price
Price per requestUSD$0.00167
Price /1k reqUSD$1.67

FAQ

About the Similarweb Similar sites API

The AnyAPI Similarweb Similar sites API returns Similarweb similar sites data as normalized JSON from one POST call to /v1/run/similarweb.similar_sites. Find the websites Similarweb ranks as most similar to any website: up to 20 competitor and alternative sites in similarity order, each with its similarity score, category, top-country rank, estimated monthly visits, and description - as normalized JSON. AnyAPI routes each request across 2 sources and falls back automatically when one fails. It costs from $1.67 per 1,000 requests, in US dollars with no subscription and no monthly minimum. Over the last 30 days, 100.0% of Similarweb similar sites calls through AnyAPI succeeded, with a median response time of 4.8 seconds across 1 measured calls.

It costs from $1.67 per 1,000 requests, in US dollars with no subscription and no monthly minimum. You fund one USD wallet, each call draws it down, and a failed request costs $0.

Find the websites Similarweb ranks as most similar to any website: up to 20 competitor and alternative sites in similarity order, each with its similarity score, category, top-country rank, estimated monthly visits, and description - as normalized JSON. The response is normalized JSON with the same envelope every AnyAPI endpoint returns, so parsing a second endpoint is a change of URL and nothing else.

Over the last 30 days, 100.0% of Similarweb similar sites calls through AnyAPI succeeded, with a median response time of 4.8 seconds across 1 measured calls. These are AnyAPI's own measurements of traffic through the gateway, recomputed continuously, not a published service-level target.
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