Ranked · AI rank tracking
Best AI rank tracking tools with an API
15 quality-gated ai rank tracking tools with an API, compared on structured facts · pricing $3–$97.
The ranking
15 tools, compared. Start with fit and price, then open the full assessment. Payment does not alter this ranking. Selection and method ↓
All picks at a glance
Compare fit and price, then choose a name to read the full assessment.
| # | Tool | Best for | Starts at |
|---|---|---|---|
| 1 | Emergine | B2B brands and PR/marketing agencies running both Chinese and Western AI visibility programs from one workspace. | From $29/month |
| 2 | AEOlens | Founders, growth marketers and SEO agencies that want to monitor AI citation readiness on their own domains or run AI visibility audits on client sites under their own brand. | Free, then $35/month |
| 3 | Distribb | SaaS founders, agencies, and developer-led growth teams who don't want to run SEO, content writing, link outreach, and AI-visibility tracking as four separate vendor relationships. | From $97/month |
| 4 | Keyword.com AI Visibility | Agencies tracking Google rankings and AI-engine brand mentions (ChatGPT, Perplexity, Gemini, Claude) in one dashboard with API and MCP access | From $9.80/month |
| 5 | TrueRanker | SEO teams that want a cheap, established rank tracker with AI-visibility bundled in. | From $14.99/month |
| 6 | AI Sightline | A team that wants a free, low-friction first look at AI answer visibility, and that specifically needs server-side AI referral traffic attribution rather than just mention tracking. | Free, then $29.95/month |
| 7 | SEORCE | Free, then $49/month | |
| 8 | LLMrefs | Test the API for free before paying | From $79/month |
| 9 | Local Falcon | multi-location or franchise businesses | From $24.99/month |
| 10 | AI Search Watcher | Cheapest entry price with API access included | Free, then €24/month |
| 11 | RankLens | A free API with a published methodology, no card required | Free |
| 12 | Morningscore | API access on every tier, even the cheapest | From $69/month |
| 13 | Nightwatch | SEO agencies and in-house teams that want classic rank tracking and six-engine AI visibility in one dashboard, with citation-level attribution for AI answers. | From €99/month |
| 14 | OtterlyAI | Marketing, SEO and content teams taking their first serious measurement of AI-search visibility, who want a self-serve start rather than a sales call. | From $29/month |
| 15 | Rankscale | Enterprise marketing teams and agencies that need broad AI-engine coverage plus MCP access | From $20/month |
Selection, context, and ranking method
15 of the 21 ai rank tracking tools in this index qualify with an API. Every one is a researched, quality-gated listing, not a scraped row.
Across the set: paid plans span $3–$97, and 5 offer a free or freemium tier.
15 of 15 carry a fact-verification date; the freshest check is 2026-09-09.
Every tool here technically "has an API" per this tag, but when you can actually USE it varies enormously: RankLens ships a documented API for free, forever, no card required; Mangools AI Search Watcher bundles API access into the cheapest standalone entry price in this category ($15.60/month); Morningscore includes its full API on every paid tier from $69/month; and LLMrefs' $0, 7-day trial includes full API access before you pay anything. By contrast, Otterly AI, RankScale and Nightwatch all gate API access to a mid-or-higher tier ($189, $385 and €159/month respectively), with no API at all on their cheapest entry plans.
Assembled programmatically from this index: every entry is a researched, quality-gated listing in AI rank tracking carrying the "API" tag, ranked by tier then name. The numbers (15 tools, paid plans $3–$97) are computed from the structured facts on those listings. This page exists only because enough listings carry that tag to make the comparison worth reading.
The ranking
Editor’s pick
Best forB2B brands and PR/marketing agencies running both Chinese and Western AI visibility programs from one workspace.
- #2

AEOlens
AEO/GEO audit and AI buyer simulation across five answer engines, with server-side AI crawler tracking.
Best forFounders, growth marketers and SEO agencies that want to monitor AI citation readiness on their own domains or run AI visibility audits on client sites under their own brand.
- #3

Distribb
AI SEO platform that researches keywords, writes and publishes articles, builds backlinks and tracks AI citations.
Best forSaaS founders, agencies, and developer-led growth teams who don't want to run SEO, content writing, link outreach, and AI-visibility tracking as four separate vendor relationships.
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Keyword.com AI Visibility
Credit-metered brand visibility tracking across AI Mode, ChatGPT, Perplexity and six more engines.
Best forAgencies tracking Google rankings and AI-engine brand mentions (ChatGPT, Perplexity, Gemini, Claude) in one dashboard with API and MCP access
- #5

TrueRanker
SEO suite combining daily Google rank tracking with weekly AI visibility monitoring across four LLMs.
Best forSEO teams that want a cheap, established rank tracker with AI-visibility bundled in.
- #6

AI Sightline
Monitors brand mentions across six AI platforms, tracks AI referral traffic, and ranks fixes by predicted score lift.
Best forA team that wants a free, low-friction first look at AI answer visibility, and that specifically needs server-side AI referral traffic attribution rather than just mention tracking.
- #7

SEORCE
Unified SEO and AI visibility platform that tracks brand citations across 10 platforms and ships the fixes.
- #8

LLMrefs
AI search analytics tracking brand mentions, rank, share of voice and citations across ten answer engines.
Best forTest the API for free before paying
LLMrefs' $0, 7-day trial explicitly includes "full plan features," meaning API access is testable at no cost before committing to its single flat-rate $79/month All in One plan.
Best formulti-location or franchise businesses
Local Falcon's API is included from its second tier upward, the $49.99/month Basic plan. That is one step above the $24.99/month entry Starter plan, which has geo-grid AI tracking but no documented API access.
- #10

AI Search Watcher
LLM rank tracker from Mangools, tracking brand mentions across eight AI search engines.
Best forCheapest entry price with API access included
Mangools AI Search Watcher's API access ships on its standalone $15.60/month tier, the cheapest entry price of any tool on this list. It is reachable through the same unified REST API as Mangools' wider KWFinder/SERPWatcher suite, not a separate gated product.
- #11

RankLens
AI brand visibility tracker measuring how LLMs mention and rank a brand, with a Visibility Index.
Best forA free API with a published methodology, no card required
RankLens ships a documented REST API (a free API key, no paid tier) alongside a DOI-registered validation study, which is real methodological transparency. No independent reviews were found anywhere for the product as of this research, and it has been in an open-ended "Beta" for about 20 months.
- #12

Morningscore
All-in-one SEO and GEO platform tracking Google, AI Overviews and ChatGPT brand visibility.
Best forAPI access on every tier, even the cheapest
Morningscore is the only tool on this list whose full REST API ships on the entry $69/month Lite tier: no upgrade required to start pulling data.
- #13

Nightwatch
Rank tracker that also tracks brand citations in ChatGPT, Claude, Gemini, Perplexity, AI Mode and AI Overviews.
Best forSEO agencies and in-house teams that want classic rank tracking and six-engine AI visibility in one dashboard, with citation-level attribution for AI answers.
Nightwatch's API access starts at the €159/month Professional tier; the €79/month Starter tier most buyers see first has no API listed among its features.
- #14

OtterlyAI
AI search monitoring for brand mentions and website citations across seven answer engines.
Best forMarketing, SEO and content teams taking their first serious measurement of AI-search visibility, who want a self-serve start rather than a sales call.
Otterly's API and MCP access are gated to the $189/month Standard tier and above. The $29/month Lite entry plan, otherwise the cheapest tool on this list, has neither.
- #15

Rankscale
Credit-based AI visibility tracker for brand mentions, citations and sentiment across 17+ AI engines.
Best forEnterprise marketing teams and agencies that need broad AI-engine coverage plus MCP access
RankScale's REST API only appears at the $385/month Growth tier or the $780/month Enterprise tier. The $20 Essentials and $99 Pro tiers, most of its published range, have no API.
Side by side
Scroll across to compare every product. Feature names stay in view.One card per question, with every product answering it in turn.
| Feature | Emergine | AEOlens | Distribb | Keyword.com AI Visibility | TrueRanker | AI Sightline | SEORCE | LLMrefs | Local Falcon | AI Search Watcher | RankLens | Morningscore | Nightwatch | OtterlyAI | Rankscale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | GEO and AEO brand-visibility tracking across Chinese and Western AI answer platforms. | AEO/GEO audit and AI buyer simulation across five answer engines, with server-side AI crawler tracking. | AI SEO platform that researches keywords, writes and publishes articles, builds backlinks and tracks AI citations. | Credit-metered brand visibility tracking across AI Mode, ChatGPT, Perplexity and six more engines. | SEO suite combining daily Google rank tracking with weekly AI visibility monitoring across four LLMs. | Monitors brand mentions across six AI platforms, tracks AI referral traffic, and ranks fixes by predicted score lift. | Unified SEO and AI visibility platform that tracks brand citations across 10 platforms and ships the fixes. | AI search analytics tracking brand mentions, rank, share of voice and citations across ten answer engines. | Geo-grid rank tracking for Google and Apple Maps, extended to AI answer visibility. | LLM rank tracker from Mangools, tracking brand mentions across eight AI search engines. | AI brand visibility tracker measuring how LLMs mention and rank a brand, with a Visibility Index. | All-in-one SEO and GEO platform tracking Google, AI Overviews and ChatGPT brand visibility. | Rank tracker that also tracks brand citations in ChatGPT, Claude, Gemini, Perplexity, AI Mode and AI Overviews. | AI search monitoring for brand mentions and website citations across seven answer engines. | Credit-based AI visibility tracker for brand mentions, citations and sentiment across 17+ AI engines. |
| Category | AI visibility monitoring, AI rank tracking | AI visibility monitoring, GEO & content optimization, AI rank tracking | GEO & content optimization, AI rank tracking, AI visibility monitoring | AI visibility monitoring, AI rank tracking | AI visibility monitoring, AI rank tracking | AI visibility monitoring, AI rank tracking | AI visibility monitoring, AI rank tracking, GEO & content optimization | AI visibility monitoring, AI rank tracking | AI rank tracking, AI visibility monitoring | AI rank tracking, AI visibility monitoring | AI visibility monitoring, AI rank tracking | AI visibility monitoring, AI rank tracking, GEO & content optimization | AI rank tracking, AI visibility monitoring | AI visibility monitoring, AI rank tracking | AI visibility monitoring, GEO & content optimization, AI rank tracking |
| Pricing | From $29/month | From Free | From $97/month | From $9.80/month | From $14.99/month | From Free | From Free | From $79/month | From $24.99/month | From Free | From Free | From $69/month | From €99/month | From $29/month | From $20/month |
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This ranking
- 15 tools ranked
- paid plans $3-$97
- 5 free or freemium
- verified September 9, 2026