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SimilarWeb API via AIsa

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SimilarWeb digital-intelligence data routed through the AIsa gateway: website traffic & engagement, ranking, traffic sources, audience, website content, and keyword/search insights. **Billing model**: SimilarWeb uses a two-phase (pre-authorization -> settlement) credit-based model, not a fixed unit price. (1) Before the call, an upper bound is estimated from the request dimensions and pre-authorized (response header `X-AISA-Estimated-Credits`); (2) the upstream call is made; (3) actual consumption is settled (response headers `X-AISA-Accounted-Credits`, `X-AISA-Price-USD`). - Billing dimensions: metrics x countries x time buckets (time-series endpoints); number of returned rows (list endpoints, capped at 20 rows, excess auto-truncated). - Countries: each country multiplies the cost once; world/global is normalized to world. - Settlement rounds up to whole credits; charged only when HTTP 2xx and data is non-empty; 4xx/5xx or empty data is not charged.

About SimilarWeb API via AIsa

Review the Service identity, supported languages, protocol versions, and source metadata discovered by the directory.

Service details

Service Id
746072ca-e56a-4ebf-9e28-208dd2c0a9e5
Service origin
https://api.aisa.one
ListedSeptember 24, 2026, 6:42 PM
Last checkedSeptember 24, 2026, 8:02 PM

Protocol details

SourceOpenAPI

Endpoints

Endpoint details are saved from the OpenAPI document. Authentication requirements and prices are advertised information, not a verified payment or access guarantee. The document may contain additional endpoints.Open OpenAPI document
GET/similarweb/search/keyword-competitors

Keyword Competitors

Keyword Competitors. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/search/landing-pages

Landing Pages

Landing Pages. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/search/serp-players-aggregated

SERP Players - Aggregated

SERP Players - Aggregated. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/search/serp-players-timeseries

SERP Players - Clicks over time

SERP Players - Clicks over time. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/search/website-keywords

Website Keywords

Website Keywords. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 3 monthly buckets. Note: `data` may arrive grouped as an array of arrays; billing counts rows across all groups.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website-top-geographies

Website Top Geographies

Top countries by share of a domain's traffic for the latest available month (data.countries, up to 10 rows with country_code, country_name, share and visits). Geography coverage is worldwide (ww) and fixed: a country parameter is not accepted for this endpoint.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website-traffic-snapshot

Website Traffic Snapshot

Latest-month traffic snapshot for a domain: visits plus core engagement metrics (average visit duration, bounce rate, pages per visit) in a single object. The most recent available month is selected automatically and echoed in meta.start_date / meta.end_date.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website-traffic-trend

Website Traffic Trend

Monthly traffic time series for a domain over the recent available window (data.points, one entry per month). The window is selected automatically and echoed in meta.start_date / meta.end_date.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/ad-networks

Ad Networks

Ad Networks. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/audience-interest

Audience Interest

Audience Interest. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/audience-overlap

Audience Overlap

Audience Overlap. Response follows the SimilarWeb v5 envelope (meta + data). Note: `data` may arrive grouped as an array of arrays; billing counts rows across all groups.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/deduplicated-audience

Deduplicated Audience

Deduplicated Audience. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 120 monthly buckets.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/demographics

Demographics

Demographics. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: start_date and end_date must fall in the SAME month (exactly one monthly bucket).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/marketing-channel-sources-legacy

Marketing Channel Sources

Marketing Channel Sources. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 120 monthly buckets.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/popular-pages

Popular Pages

Popular Pages. Response follows the SimilarWeb v5 envelope (meta + data). Note: `data` may arrive grouped as an array of arrays; billing counts rows across all groups.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/ppc-spend

PPC Spend

PPC Spend. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 120 monthly buckets.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/ranking

Website Ranking

Website Ranking. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 120 monthly buckets.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/referrals

Referrals

Referrals. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/similar-sites

SimilarSites

SimilarSites. Response follows the SimilarWeb v5 envelope (meta + data). Date window (upstream SimilarWeb constraint): start_date and end_date must span EXACTLY 3 consecutive months — a 1- or 2-month span is rejected with upstream error 120 ('must span exactly 3 month(s)'). That span must also be SimilarWeb's most recent supported window, which advances forward each month; an older or out-of-range span is rejected with error 101 ('Dates not in range'). In practice, request the three most recent completed months (e.g. if the latest published month is 2026-07, use start_date=2026-05 and end_date=2026-07). To read the exact currently-supported range, call SimilarWeb's /describe endpoint for this API.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/subdomains

Website Subdomains

Website Subdomains. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/technologies

Website Technologies

Website Technologies. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: start_date and end_date must be the SAME month, and that month must be the latest available data month — a single monthly bucket that advances as SimilarWeb refreshes its data, and which may differ by country. Supplying any other month returns SimilarWeb error_code 101 ("Dates not in range"); the error message states the currently-allowed range.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/top-sites-ranking

Top Sites Ranking

Top Sites Ranking. Response follows the SimilarWeb v5 envelope (meta + data).Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.
GET/similarweb/website/traffic-engagement

Traffic & Engagement

Traffic & Engagement. Response follows the SimilarWeb v5 envelope (meta + data). Date constraint: the start_date-end_date span must cover between 1 and 120 monthly buckets.Price unavailableThe operation requires declared authentication; API keys, bearer tokens and other schemes are not evidence of AEP support.