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 $59/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 2026-10-09.
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
#1
Emergine
AI visibility tracking across Western and Chinese answer engines, with prompt discovery and citation analysis.
Best forB2B brands and PR/marketing agencies running both Chinese and Western AI visibility programs from one workspace.
- #2
AEOlens
AEO/GEO platform: 48-check site audit, ranked code fixes and weekly buyer-question tracking across AI engines.
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 agent that researches, writes and publishes content, earns backlinks and tracks AI-engine 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
AI visibility tracking from a rank tracker: brand mentions, citations, sentiment and competitors in AI answers.
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 pairing Google rank tracking with brand-citation monitoring across six AI answer engines.
Best forSEO teams that want a cheap, established rank tracker with AI-visibility bundled in.
- #6
AI Sightline
AI visibility monitoring and AI traffic analytics across six answer engines, with ranked fix recommendations.
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
AI answer-engine visibility tracking, rank tracking, content generation and one-click technical fixes in one platform.
- #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 that monitors brand mentions and citations 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 tool with ChatGPT prompt tracking, Google AI Overviews tracking and a GEO visibility score.
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
Daily keyword rank tracking plus AI answer visibility and citation attribution in one dashboard.
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 visibility monitoring across seven engines, with citation tracking and GEO content audits.
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 platform tracking 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 | AI visibility tracking across Western and Chinese answer engines, with prompt discovery and citation analysis. | AEO/GEO platform: 48-check site audit, ranked code fixes and weekly buyer-question tracking across AI engines. | AI SEO agent that researches, writes and publishes content, earns backlinks and tracks AI-engine citations. | AI visibility tracking from a rank tracker: brand mentions, citations, sentiment and competitors in AI answers. | SEO suite pairing Google rank tracking with brand-citation monitoring across six AI answer engines. | AI visibility monitoring and AI traffic analytics across six answer engines, with ranked fix recommendations. | AI answer-engine visibility tracking, rank tracking, content generation and one-click technical fixes in one platform. | 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 that monitors brand mentions and citations 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 tool with ChatGPT prompt tracking, Google AI Overviews tracking and a GEO visibility score. | Daily keyword rank tracking plus AI answer visibility and citation attribution in one dashboard. | AI search visibility monitoring across seven engines, with citation tracking and GEO content audits. | Credit-based AI visibility platform tracking 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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