🇺🇸Marketing & Advertising in United States

178 marketing & advertising providers in United States, publishing 885 APIs.

178 providers 885 published APIs 885 indexed documents

Marketing & Advertising in United States — 178 providers on the APIs.io network sit in both cohorts, and between them they publish 885 indexed APIs.

85 of the 178 publish at least one machine-readable API; 93 publish nothing indexed at all. That split is the first thing worth reading here — a vertical can be well represented in a market and still have almost no programmable surface.

By Kin Score band: 56 minimal, 43 emerging, 29 thin, 25 developing, 13 strong, and 4 exemplar.

Leading by rating: beehiiv, UserGems, Regal, Clix, Chili Piper, RocketReach, and 172 more.

Country membership reads a tag, a stated headquarters or a stated nationality. A provider lands in United States when one of its own top-level tags names the country, when its own description states a headquarters that names the country or one of its cities, or when it describes itself by nationality (“a French company”; roadmap#542, #719). Region words (“Latin American”), language uses (“French-speaking”) and a city named outside a headquarters statement are not counted, so this cell is a floor, not a census.

Providers (178)

Provider	Description	APIs	Rating
beehiiv	beehiiv is a newsletter publishing platform offering email publishing, subscriber management, paid subscriptions, an ad network, referrals, polls, automations, segments, webhook...	30	exemplar
UserGems	UserGems is a San Francisco-based sales intelligence platform that tracks champion job changes and surfaces buying signals so sales and marketing teams can prioritize outbound a...	4	exemplar
Regal	Regal is a New York City-based AI Agent Platform purpose-built for contact center operations. The Regal platform lets enterprises design, test, deploy, monitor, and continuously...	10	exemplar
Clix	Clix is a US-based, developer-first mobile push notification platform for iOS, Android, React Native and Flutter — one CLI command (clix install) automates Firebase Cloud Messag...	3	exemplar
Chili Piper	Chili Piper is a demand conversion platform for B2B go-to-market teams, founded in 2016 by Alina and Nicolas Vandenberghe and headquartered in New York. Its products - Concierge...	16	strong
RocketReach	RocketReach is a Seattle-based B2B contact data and sales intelligence provider that maintains a database of 700M+ professional profiles and 60M+ companies and exposes it throug...	3	strong
Dun & Bradstreet	Dun & Bradstreet is a leading global provider of business decisioning data and analytics, anchored by the D-U-N-S Number — a unique nine-digit identifier assigned to more than 5...	16	strong
NextRoll	NextRoll, Inc. is a San Francisco-based marketing technology company that operates two brands on a shared machine-learning and identity platform: AdRoll, a cross-channel digital...	9	strong
Bluma	Bluma is a San Francisco-based AI company (Y Combinator Fall 2025) building a short-form AI content engine that lets creators, agencies, and brands produce social media video ad...	2	strong
Cordial	Cordial is a cross-channel marketing and customer data platform headquartered in San Diego, California, used by consumer brands to unify customer data and orchestrate personaliz...	25	strong
Sourcepoint	Sourcepoint is a New York City-headquartered enterprise privacy and consent management technology company founded in 2015 by Ben Barokas and Brian Kane. The platform began as an...	6	strong
TrustRadius	TrustRadius is a B2B buyer intelligence and software review platform that helps technology buyers make confident purchasing decisions and enables vendors to turn verified custom...	5	strong
Pomo	Pomo is an AI marketing platform that runs an always-on AI marketing team, turning continuous market, competitor, brand, and trend intelligence into strategy, creative direction...	100	strong
LeadIQ	LeadIQ is a B2B sales intelligence and contact data platform headquartered in Santa Clara, California (with engineering in Singapore and Brisbane) that helps outbound sales team...	5	strong
The Trade Desk	The Trade Desk is an independent, omnichannel demand-side platform (DSP) for programmatic advertising, headquartered in Ventura, California. Its cloud-based platform — Kokai (th...	11	strong
Yoodli	Yoodli is a Seattle-based AI communication coaching company, founded in 2021 by former Google engineers and spun out of the Allen Institute for AI incubator. Its platform runs A...	4	strong
Kore.ai	Kore.ai is an enterprise conversational and agentic AI platform used to build, deploy, govern and observe AI agents for customer experience and employee experience work — contac...	5	strong
SponsorUnited	SponsorUnited is a sports and entertainment sponsorship intelligence platform, founded in 2018 and headquartered in Stamford, Connecticut. Its B2B SaaS product gives brands, rig...	86	developing
Mob.ly	Mob.ly (Mobly) is an AI-powered in-person go-to-market platform — "The Event Marketer's Operating System" — that helps B2B teams plan events, capture and enrich leads in person,...	6	developing
Rockerbox	Rockerbox is a New York-based unified marketing measurement platform that combines multi-touch attribution (MTA), marketing mix modeling (MMM) and incrementality testing on a si...	2	developing
Olo	Olo is a leading on-demand commerce platform powering the digital experience for restaurant brands, serving approximately 750+ enterprise and emerging chains across 90,000+ rest...	15	developing
BrightEdge	BrightEdge is an enterprise SEO and content performance platform, founded in 2007 and headquartered in Silicon Valley, used by thousands of brands and a majority of the Fortune ...	29	developing
Assembled	Assembled is a San Francisco-headquartered support operations platform that unifies workforce management (WFM), AI agents, and AI Copilot for modern customer support teams. Foun...	27	developing
Movable Ink	Movable Ink is a New York-headquartered marketing technology company that turns customer data into personalized content across email, mobile and web. Its two products are Studio...	2	developing
Magnite	Magnite, Inc. (NASDAQ: MGNI) is the world's largest independent sell-side advertising platform, headquartered in New York with major operations in Los Angeles. Formed in 2020 fr...	78	developing
Sovrn	Sovrn is an advertising technology and content monetization company that helps online publishers, advertisers, and creators earn revenue from their websites and audiences. Its p...	10	developing
Habu	Habu was a data clean room and data collaboration company, founded in 2017 and headquartered in San Francisco, that let brands, publishers, and media platforms run privacy-safe ...	34	developing
Nimble	Nimble is a relationship-focused CRM that unifies contacts, communications, social profiles, calendar and email into a single shared record for small businesses and whole-compan...	12	developing
Amperity	Amperity is a Seattle-based customer data platform (CDP) that helps consumer brands build accurate, unified customer profiles by stitching together fragmented first-party data f...	8	developing
Uniphore	Uniphore is an enterprise AI company — "The Business AI Company" — founded in 2008 and headquartered in Palo Alto, California. Its flagship platform, the Business AI Cloud (BAIC...	3	developing
VideoAmp	VideoAmp is a Los Angeles-based media measurement and advertising technology company, founded in 2014, that operates as a certified national TV currency provider alongside Niels...	15	developing
Moz	Moz is a Seattle-based search-marketing software company, founded in 2004 as SEOmoz and part of Ziff Davis since 2021, whose products include Moz Pro, Moz Local, STAT and Moz Da...	3	developing
Bombora	Bombora is a New York-based B2B data company that provides intent data and identity solutions used by marketing, sales, and ad-tech teams to identify in-market accounts and pers...	17	developing
CharacterQuilt	CharacterQuilt is an AI-native marketing infrastructure company (Y Combinator Spring 2026) building computer-use agents that design and deploy enterprise marketing campaigns end...	3	developing
Quantcast	Quantcast is a San Francisco-headquartered digital advertising and audience intelligence company founded in 2006. Its flagship offering is the Quantcast Platform, an AI-driven d...	3	developing
Accord	Accord is a San Francisco-based revenue excellence platform for B2B sales, onboarding and customer success teams, founded in 2020 by Ross Rich and Ryan Rich. It turns a company'...	2	developing
Incentivio	Incentivio is a Boston-based digital guest engagement platform for multi-unit restaurant brands, unifying online ordering, loyalty, marketing automation, and guest analytics int...	87	developing
GumGum	GumGum is a Santa Monica-based advertising technology company, founded in 2008, that sells contextual, CTV/online-video and high-impact display advertising built on its own cont...	6	developing
Choozle	Choozle is a Denver-based self-service demand-side platform (DSP) for programmatic digital advertising across Display, Connected TV, Video, Audio, Native, DOOH, Search and Socia...	2	developing
Solsten	Solsten (originally 12traits) is a Berlin- and Minneapolis-based psychological-AI company that builds audience intelligence for product, marketing and research teams, pairing va...	1	developing
Aidentified	Aidentified is a Wealth Network Intelligence platform for financial advisors, wealth managers, insurance brokers, investment banks and non-profits. Founded in 2017 and headquart...	1	developing
AppNexus	AppNexus was a New York-based programmatic advertising technology company that ran one of the largest independent real-time online ad exchanges alongside a cloud-based buy-side ...	1	developing
MadHive	Madhive is a New York-based advertising technology company that operates a demand-side platform (DSP) and end-to-end software stack built for local and connected TV (CTV/OTT) ad...	66	thin
Alliance Data Systems (Bread Financial Holdings)	Alliance Data Systems Corporation (ADS) was a Plano/Columbus-based financial and marketing services holding company built in 1996 from the merger of J.C. Penney's credit card pr...	9	thin
OpenX	OpenX is an independent supply-side platform (SSP) and programmatic ad exchange headquartered in Pasadena, California, founded in 2008. OpenX connects publishers and app develop...	5	thin
Knotch	Knotch is a New York-based content intelligence company founded by Anda Gansca and Aron Tzimas. Its Knotch One platform measures and optimizes owned-content performance for ente...	5	thin
Animoto	Animoto is a cloud-based video creation platform, founded in 2006 and headquartered in New York City, that lets anyone turn photos, video clips, screen recordings and music into...	1	thin
Switchfly	Switchfly is a B2B travel loyalty and commerce technology company that powers white-label travel booking, dynamic packaging, and points-plus-cash redemption for airlines, financ...	3	thin
United Airlines	United Airlines is a major American airline headquartered in Chicago, Illinois. It operates one of the largest route networks in the world with hubs in Chicago, Denver, Houston,...	5	thin
PlusThis	PlusThis is an Arizona-based marketing automation add-on company, founded in 2011, that sells a toolkit of roughly seventy no-code "tools" which bolt extra behaviour onto a CRM ...	0	thin
Conduent	Conduent Incorporated (Nasdaq: CNDT) is a US business process services and solutions company headquartered in Florham Park, New Jersey, delivering customer experience management...	1	thin
Ibotta	Ibotta is a Denver-based consumer technology company (NYSE: IBTA) that operates a cash-back rewards platform and the Ibotta Performance Network (IPN), a digital promotions and r...	1	thin
Capital One	Capital One is a US money-center bank and financial services company offering credit cards, checking and savings accounts, loans, and auto financing. Through the Capital One Dev...	14	thin
RealSelf	RealSelf is a Seattle-based consumer healthcare marketplace for elective aesthetic treatments — plastic surgery, cosmetic dermatology, injectables, cosmetic dentistry, hair rest...	1	thin
USADATA	USADATA is a data and marketing intelligence company founded in 1998 and headquartered in New York City, backed by Insight Partners. It maintains a database of 260+ million US c...	1	thin
OneScreen AI	OneScreen AI is a data-driven out-of-home (OOH) advertising company that makes real-world media — billboards, transit, and place-based advertising — as queryable and buyable as ...	1	thin
Agentio	Agentio is an AI-native platform for creator advertising that connects brands with content creators across YouTube, Meta, and beyond. The two-sided platform gives brands agentic...	1	thin
PebblePost	PebblePost is a New York-based commerce marketing platform that pioneered Programmatic Direct Mail (PDM) and now also operates a Performance CTV product. Its Performance Marketi...	2	thin
DoubleVerify	DoubleVerify (NYSE: DV) is a New York-based software platform for digital media measurement, data, and analytics. The company's Media Effectiveness Platform — branded DV MAP (Me...	2	thin
Nectar Social	Nectar Social is an AI "social operating system" for consumer brands — an AI-powered social teammate that manages online communities, performs real-time social listening and sen...	2	thin
Swiftly	Swiftly (Swiftly Systems, Inc.) is a Seattle-based retail technology company that sells an AI platform purpose-built for grocery, convenience and wholesale retail. It powers whi...	1	thin
[24]7.ai	[24]7.ai is a customer-experience (CX) software and services company headquartered in Campbell, California, operating the [24]7 Engagement Cloud — an AI-powered omnichannel plat...	0	thin
SOCi	SOCi, Inc. is a San Diego-based marketing platform for multi-location brands, franchises and enterprises, marketed as an "agentic workforce" for localized marketing. The SOCi Ge...	1	thin
Integral Ad Science	Integral Ad Science (NASDAQ: IAS) is a New York-based global ad verification and digital media measurement company. IAS provides technology and data that measures the quality, v...	1	thin
Datafy	Datafy is a location-analytics and advertising platform, founded in 2018 and headquartered in Ogden, Utah, that helps destinations and communities turn visitation, spending, and...	1	thin
PubMatic	PubMatic is a Redwood City, California-headquartered independent technology company (NASDAQ: PUBM) operating a supply-side platform (SSP) that powers programmatic advertising fo...	1	thin
CloutJam	CloutDesk (formerly CloutJam) is a 500 Global-backed, New York-based platform for modern influencer marketing and creator management, building open infrastructure that lets agen...	1	thin
Starwood Hotels and Resorts	Starwood Hotels & Resorts Worldwide was a global hotel and leisure company headquartered in Stamford, Connecticut. Prior to its acquisition by Marriott International in Septembe...	5	thin
Vendelux	Vendelux is an AI-native event marketing and B2B event intelligence platform that helps go-to-market teams decide which conferences and trade shows to attend, pre-book qualified...	0	thin
Brand.ai	Brand.ai (Access to Tools Inc.) is a San Francisco-based AI platform that turns a company's brand into machine-readable infrastructure — "your brand, as source code" — so that e...	1	thin
Cloverleaf AI	Cloverleaf AI is a business-to-government (B2G) sales intelligence platform, headquartered in Denver, Colorado, that monitors 45,000+ government organizations across federal, st...	1	thin
MadeThis	MadeThis (madethis.com) is a Y Combinator (Fall 2025) startup based in San Francisco, founded in 2025 by Jacob Wright, Cambree Bernkopf and Santiago Gomez Paz, that markets itse...	0	emerging
Stensul	Stensul is an enterprise email and landing page creation platform — it calls the category "Governed Creation" — used by large marketing organizations to build, review, approve a...	2	emerging
Advisr	Advisr is a New York-based sales operating system built for the media and advertising industry. Its platform helps broadcast, publishing, cable and agency sales teams plan campa...	1	emerging
Bikky	Bikky is a New York-based Customer Data Platform (CDP) built exclusively for large, multi-unit restaurant brands, serving thousands of locations for companies such as Bojangles,...	1	emerging
soona	soona is an all-in-one creative platform for ecommerce brands that produces and manages product photography, video, and user-generated content (UGC). Brands can book virtual and...	0	emerging
JetBlue	JetBlue Airways (IATA code B6) is a New York-headquartered low-cost United States carrier flying across the U.S., Caribbean, Latin America and Europe, with hubs and focus cities...	0	emerging
Rocksalt	Rocksalt is a B2B inbound and social-engagement platform, headquartered in Redwood City, California and founded in 2023 by Arjun Moorthy (CEO), Anita Moorthy (CMO), and Ajoy Soj...	0	emerging
Copper Banking	Copper (Copper Banking) is a Seattle-based consumer fintech founded in 2019 by Eddie Behringer and Stefan Berglund that began as a teen banking app and debit card built on the S...	1	emerging
Teikametrics	Teikametrics is a Boston-based commerce optimization company founded by Alasdair McLean-Foreman that builds ARI (Artificial Retail Intelligence), an AI platform for brands and s...	0	emerging
Breef	Breef is an online agency marketplace and payments platform that connects brands with vetted marketing, creative, digital and web agencies. Founded in New York in 2019 as Curate...	0	emerging
Crayon	Crayon is a Boston-based competitive intelligence platform that automatically captures, analyzes and distributes competitor activity — website and pricing changes, product updat...	2	emerging
Valid	Valid is an AI-native advertising agency that grows consumer companies through an end-to-end performance marketing offering, combining AI-generated performance creative (20+ ads...	1	emerging
Wyndham Hotels & Resorts	Wyndham Hotels & Resorts, Inc. (NYSE: WH) is the world's largest hotel franchising company by number of properties, with over 8,300 affiliated hotels and approximately 869,000 r...	3	emerging
Linkable Networks (Collinson Group)	Linkable Networks, Inc. is a Boston-based card-linked-offers (CLO) and SKU-linked-offers platform that lets consumers attach digital offers directly to the credit and debit card...	1	emerging
Workhuman	Workhuman is an enterprise employee recognition and Human Intelligence platform founded in 1999 (formerly Globoforce), headquartered in Framingham, Massachusetts with global off...	0	emerging
Opendorse	Opendorse is an athlete marketplace and name, image and likeness (NIL) technology company headquartered in Lincoln, Nebraska. Its platform lets brands, fans, schools, collective...	0	emerging
AgentIQ	Agent IQ is an AI-powered relationship-banking and institutional-intelligence platform for banks and credit unions. Its Lynq platform connects account holders with a personal ba...	0	emerging
American Express	American Express is a globally integrated payments company and card network that offers charge and credit cards, merchant acquiring, corporate payments, travel, and Membership R...	12	emerging
Amtrak	Amtrak (the National Railroad Passenger Corporation) is the federally chartered operator of the United States national intercity passenger rail network, headquartered in Washing...	1	emerging
VaynerMedia	VaynerMedia is an integrated strategy, creative, and media agency founded by Gary Vaynerchuk, positioning itself as "The Modern Agency of Record" with social media at the center...	1	emerging
App Onboard	AppOnBoard, Inc. is a Los Angeles-based technology company founded in 2016 that builds AI-driven creative and advertising tools for app and game marketers. Its best-known produc...	0	emerging
Chowbus	Chowbus is a Chicago-headquartered restaurant technology company founded in 2016 by Linxin Wen and Suyu Zhang. It began as an online food ordering, payment and delivery marketpl...	0	emerging
Chick-fil-A	Chick-fil-A is an American fast-food restaurant chain specializing in chicken sandwiches and operating over 3,000 locations across the United States. Known for customer service ...	13	emerging
Uplight	Uplight is a Boulder, Colorado energy technology company formed in 2019 from the merger of Tendril and Simple Energy and expanded through the acquisitions of EnergySavvy, FirstF...	1	emerging
LevelUp	LevelUp (SCVNGR, Inc. d/b/a LevelUp) was a Boston-based mobile payments and customer-loyalty platform whose REST API let point-of-sale systems and e-commerce applications accept...	0	emerging
CAVA	CAVA Group, Inc. (NYSE: CAVA) is a Washington, D.C.-headquartered Mediterranean fast-casual restaurant company that operates the CAVA brand, serving customizable bowls, pitas, s...	0	emerging
Copincommunications	Copincommunications, also known as COP Communications, Inc., is a Glendale, California‑based company offering one‑to‑one marketing services through print, web, email, and SMS. I...	0	emerging
Zippin	Zippin (vCognition Technologies Inc.) builds a checkout-free, cashierless retail platform that uses computer vision, sensor fusion and machine learning to let shoppers enter a s...	1	emerging
Intersection	Intersection is a New York-based, experience-driven out-of-home (OOH) media and technology company formed from the merger of Titan, a municipal out-of-home advertising operator,...	1	emerging
TapAd	Tapad is a digital identity and cross-device graph technology company, founded in 2010 and headquartered in New York City. Its flagship product, the Tapad Graph, is a probabilis...	2	emerging
Fivestars	Fivestars was a customer loyalty, rewards, and payments platform for small and mid-sized brick-and-mortar merchants, founded in 2010 and headquartered in San Francisco. It combi...	0	emerging
IgniteTech	IgniteTech is a global, AI-first enterprise software company (headquartered in Austin, Texas, and operating remote-first across 30+ countries) that acquires, revitalizes, and su...	0	emerging
BBDO Worldwide	BBDO Worldwide is a global advertising agency network founded in 1928 and headquartered in New York City. It is the largest of the creative-agency networks owned by Omnicom Grou...	1	emerging
TREBEL Music	TREBEL Music (operated by M&M Media, Inc.) is an advertising-sponsored, legally licensed music download and streaming service that lets people download and listen to music offli...	0	emerging
CarNow	CarNow is an AI-enabled conversion platform built specifically for automotive dealerships, helping them turn more website visitors into leads, more leads into sales, and more bu...	0	emerging
Makrwatch	Makrwatch is a creator representation and sponsorship management platform that sits between independent content creators and brands. It sources and filters brand-deal opportunit...	0	emerging
Axtria	Axtria is an AI-first cloud software and data analytics company built for the life sciences industry, founded in 2010 and headquartered in Berkeley Heights, New Jersey. Its clou...	0	emerging
BuzzFeed	BuzzFeed Inc. is a digital media company founded in 2006 and headquartered in New York City, best known for its viral entertainment, quizzes, pop-culture coverage, and commerce ...	0	emerging
Songfinch	Songfinch is a Chicago-based direct-to-consumer music gifting platform that pairs customers with a curated community of independent professional singer-songwriters to produce on...	0	emerging
Choice Hotels	Choice Hotels International (NYSE: CHH) is a United States hotel franchisor headquartered in North Bethesda, Maryland, operating 7,575 hotels with 656,825 rooms open across 49 s...	0	emerging
STORI AI	STORI AI is a San Francisco-based AI content-marketing platform that helps brands define their identity — archetype, tone, tagline, and colors — and turn that identity into on-b...	0	emerging
Remine	Remine is a Bellingham, Washington-based real estate data and prospecting platform delivered to agents, lenders, MLSs and REALTOR associations, often as an MLS member benefit. I...	0	emerging
Jack in the Box	Jack in the Box Inc. (NASDAQ: JACK), founded in 1951 and headquartered in San Diego, California, is a quick-service restaurant company operating and franchising approximately 2,...	0	emerging
MOD Pizza	MOD Pizza is a Seattle-based fast-casual restaurant chain built around individually sized, made-to-order artisan-style pizzas and salads sold at one fixed price regardless of ho...	0	minimal
Targetspot	Targetspot is a global digital-audio advertising (AdTech) company founded in 2007 and headquartered in New York, connecting brands with audiences across podcasts, online radio, ...	0	minimal
StoreCash	StoreCash, operated by G Cards, Inc., is a Los Angeles-based cashback and payments company whose mobile app (iOS and Android) lets shoppers earn instant, unlimited cashback on e...	0	minimal
Chipotle Mexican Grill	Chipotle Mexican Grill is a Fortune 500 fast-casual restaurant chain serving burritos, bowls, tacos, salads, and quesadillas made with responsibly sourced, classically-cooked, r...	0	minimal
ChowNow	ChowNow is a Playa Vista, Los Angeles-based restaurant technology company providing commission-free online ordering, branded mobile apps, marketing tools, and operational softwa...	0	minimal
Ogilvy	Ogilvy is a global advertising, marketing, and communications agency network founded by David Ogilvy in 1948 and headquartered in New York City. It is a WPP company (NASDAQ: WPP...	0	minimal
Likeable Local	Likeable Local is a social media marketing company that now operates publicly as Storytellit — likeablelocal.com and www.likeablelocal.com both redirect to storytellit.com, whil...	0	minimal
Scorpion	Scorpion is an American marketing technology company that provides revenue-focused advertising, marketing, and software services to local and multi-location businesses in home s...	0	minimal
MaxRewards	MaxRewards is a consumer credit-card rewards app for iOS and Android that helps people manage their credit cards and maximize the rewards they earn on everyday spending. It link...	0	minimal
PLAYSTUDIOS	PLAYSTUDIOS, Inc. (Nasdaq: MYPS) is a developer and publisher of free-to-play casual and casino-style mobile and social games, including myVEGAS Slots, POP! Slots, MGM Slots Liv...	0	minimal
KWI	KWI is a retail technology company founded in 1985 and headquartered in Melville, New York, that delivers a cloud-based, unified commerce platform for specialty and department r...	0	minimal
PearPop	Pearpop, Inc. is a Los Angeles-based creator marketing company founded in October 2020 by Cole Mason and Guy Oseary. It began as a two-sided social collaboration marketplace whe...	0	minimal
Cardinal	Cardinal is an AI platform for precision outbound sales — it markets itself as "revenue agents for high-growth companies" — built for go-to-market teams that want outbound to ru...	0	minimal
Red Ventures	Red Ventures is a privately held digital marketing and media holding company headquartered in Fort Mill, South Carolina, operating a portfolio of high-growth consumer comparison...	0	minimal
Collegepulse	College Pulse is an American market research and data analytics firm that specializes in survey-based insights from college students. Through an online student panel of 800,000+...	0	minimal
Mediaspectrum	Mediaspectrum is a cloud-based SaaS provider of multichannel advertising, content management, and publishing software for media companies and publishers. Founded in 2001 and hea...	0	minimal
Hyatt Hotels	Hyatt Hotels Corporation (NYSE: H) is a Chicago-headquartered global hospitality company that develops, owns, operates, manages, franchises and licenses hotels, resorts, branded...	0	minimal
Usermind	Usermind was a Seattle-based journey and experience orchestration platform that captured and analyzed contextual data at every touchpoint of the customer journey to personalize ...	0	minimal
ThriveHive	ThriveHive was a Boston-based guided marketing platform for small businesses (10 or fewer employees), founded in 2011 by Max Faingezicht and Adam Blake and part of the Techstars...	0	minimal
Headgum	Headgum is an American comedy podcast network founded in 2015 by Marty Michael, Amir Blumenfeld, and Jake Hurwitz, with studios in Los Angeles and New York. It produces and dist...	0	minimal
Prose	Prose is a New York City-based direct-to-consumer beauty company that makes truly custom haircare and skincare. Customers complete an online consultation covering hair type, sca...	0	minimal
88rising	88rising (stylized 88 with a rising arrow) is an American mass media company and record label founded in 2015 by Sean Miyashiro, headquartered in Los Angeles and New York with a...	0	minimal
Downstream	Downstream Impact Inc. was a Seattle-based SaaS platform that helped brands optimize and automate their Amazon advertising, founded in late 2017 by ex-Amazon marketer Connor Fol...	0	minimal
Realtor.com	Realtor.com is a real estate listings website operated by Move, Inc., a subsidiary of News Corp, headquartered in Santa Clara, California. The platform is the official site of t...	0	minimal
Wawa	Wawa is a privately held, family-owned convenience store and fuel retail chain headquartered in Pennsylvania. Founded in 1803 as a dairy farm and operating convenience stores si...	0	minimal
Bloomin' Brands	Bloomin' Brands, Inc. (NASDAQ: BLMN) is one of the largest casual dining restaurant companies in the world, headquartered in Tampa, Florida and founded in 1988. It owns and oper...	0	minimal
Chico's FAS	Chico's FAS, Inc. is an American women's specialty retailer headquartered in Fort Myers, Florida, operating and franchising stores and websites under the Chico's, White House Bl...	0	minimal
Beckon	Beckon was a marketing analytics and marketing performance measurement SaaS platform, founded in 2011 and headquartered in San Mateo, California. Its product automated the inges...	0	minimal
Insent.ai	Insent.ai was a Boston-based, Techstars-backed B2B conversational marketing platform that let marketing and sales teams engage website visitors in real time with human-first cha...	0	minimal
OneCommand	OneCommand was a cloud-based customer marketing and loyalty-automation platform built for automotive dealerships, headquartered in Mason, Ohio. It helped dealers drive service a...	0	minimal
Yodle	Yodle was a New York-based local online marketing and lead-generation company for small and medium-sized businesses, offering all-in-one advertising, web presence, and business-...	0	minimal
Outfit Labs	Outfit Labs provides a platform for personalized product recommendations, leveraging data-driven algorithms to tailor suggestions to individual users. Their services aim to enha...	0	minimal
Absurd	Absurd is an AI video creation platform positioning itself as "the Creative OS for AI video." It uses autonomous AI agents to handle scripting, scene planning, and video generat...	0	minimal
Glintinc	Glint (Glint Inc), founded in 2013 and headquartered in Redwood City, California, built a people-success and employee-engagement platform centered on frequent pulse surveys, eng...	0	minimal
Apsalar	Apsalar was a mobile marketing analytics and attribution company (founded 2010, headquartered in San Francisco, backed by Battery Ventures and 500 Startups/500 Global) that prov...	0	minimal
Dataxu	DataXu was a Boston-based programmatic advertising technology company, founded in 2009, that built a cloud-based demand-side platform (DSP) for automated, data-driven media buyi...	0	minimal
BryterCX	BryterCX was a customer journey intelligence company based in Greenwood Village, Colorado, formerly known as ClickFox. Its Journey Intelligence platform stitched siloed digital,...	0	minimal
4C	4C — legally 4C Insights, Inc. — was a Chicago-based marketing intelligence and advertising technology company founded in 2011 by Northwestern University professor Alok Choudhar...	0	minimal
AdKnowledge	Adknowledge, Inc. was a performance-based digital advertising and marketing technology holding company founded in 2004 by Scott Lynn and headquartered in Kansas City, Missouri. ...	0	minimal
AdNectar	AdNectar was a social advertising startup founded in 2008 and headquartered in Palo Alto, California, that built a sponsored virtual-gifts network for Facebook applications and ...	0	minimal
appconomy	Appconomy was a mobile-commerce platform company, founded in 2010 and dual-headquartered in Austin, Texas and Shanghai, China, that let brands, retailers, service providers, and...	0	minimal
BrightFunnel	BrightFunnel was a San Francisco-based B2B marketing analytics company founded in 2012 that built a revenue attribution and forecasting platform. Its Revenue Intelligence Suite ...	0	minimal
Chordiant Software	Chordiant Software Corporation was an enterprise software vendor founded in 1991 and based in California, known for customer relationship management (CRM) and customer decision ...	0	minimal
Eyeview	Eyeview (Eyeview Digital) was a New York-based personalized and programmatic video advertising technology company, surfaced in the API Evangelist network as a portfolio company ...	0	minimal
Famebit	Famebit was an influencer-marketing marketplace, founded in 2013 and headquartered in Los Angeles, that connected YouTube, Instagram, and Vine creators with brands for sponsored...	0	minimal
Greenfield Online	Greenfield Online, Inc. (Nasdaq SRVY) was an independent provider of Internet-based survey solutions and online market-research panels, headquartered in Wilton, Connecticut. Fou...	0	minimal
Jumptap	Jumptap was a mobile advertising and audience-targeting platform founded in 2005 and based in Cambridge, Massachusetts. It matched ads to signals such as time of day, carrier ne...	0	minimal
LeanMarket	LeanMarket was a mobile advertising technology company headquartered in Mountain View, California, that brought real-time bidding (RTB) display advertising to small and mid-size...	0	minimal
MediaSpike	MediaSpike was an AdTech startup founded in 2011 by Blake Commagere and headquartered in Mountain View, California, that built a native monetization platform for dynamic, progra...	0	minimal
Paydiant	Paydiant was a Boston-based mobile-wallet, point-of-sale and cloud payments platform, backed by General Catalyst, that let banks, merchants and retailers build their own white-l...	0	minimal
Percolate	Percolate was a New York-based content marketing and marketing-orchestration platform, backed by Lightspeed Venture Partners and Slow Ventures, that helped enterprise marketing ...	0	minimal
SumAll	SumAll was a New York-based social media and business analytics startup, surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub fo...	0	minimal
wantful	Wantful was a personalized online gift-giving service founded in 2011 by John Poisson, based in San Francisco and New York City, that let shoppers assemble curated gift books of...	0	minimal
Wupima	Wupima, Inc. was a Virginia-based mobile social intelligence company that did business as Hook Mobile, backed by 500 Global (500 Startups). Its App Growth Engine (AGE) product o...	0	minimal
xchange (Formerly Exchange Applications Inc.)	Xchange Inc., formerly Exchange Applications Inc., was a Boston-based (89 South Street, Boston, MA) customer relationship marketing software company that helped enterprises earn...	0	minimal
YesPath	YesPath was an account engagement platform based in San Francisco that helped B2B sales and marketing teams reach and win large target accounts, using machine learning to surfac...	0	minimal
Callidus Software	Callidus Software Inc. (branded CallidusCloud) was an enterprise SaaS provider of sales performance and lead-to-money solutions, including Enterprise Incentive Management (EIM) ...	0
Cogito	Cogito Corp was a Boston-based real-time artificial-intelligence company that provided emotional-intelligence and conversation-guidance software for contact-center agents, analy...	0
Convertro, Inc.	Convertro, Inc. was a marketing analytics company based in Santa Monica, California, providing a multi-touch attribution platform that measured the ROI of marketing touchpoints ...	0
Fliptop	Fliptop was a San Francisco-based predictive marketing and customer intelligence startup that applied data science and machine learning to CRM and marketing-automation data to s...	0
Hatch Loyalty	Hatch Loyalty (formerly Belly) was a Chicago-based customer activation, loyalty, and engagement platform for enterprise retailers, with a strong focus on the fuel and convenienc...	0
Sigstr	Sigstr was an Indianapolis-based email signature marketing and account-based marketing (ABM) platform that turned employee email signatures into a targeted marketing channel, ba...	0
Simply Measured	Simply Measured was a Seattle-based social media analytics and reporting platform, founded in 2010 and backed by Trinity Ventures, that measured brand performance across Twitter...	0
TrialPay	TrialPay was an alternative-payments and offer-based advertising company founded in 2006 and based in Mountain View, California, backed by Battery Ventures among others. Its pla...	0

Indexed API documents (885)

Two numbers, both real: these providers publish 885 APIs as their own documents, which the catalog indexes split one-per-resource into 885 documents. Showing the first 200.

Other industries in United States

Artificial Intelligence 590 Healthcare 364 Biotechnology & Drug Discovery 322 Digital Health & Telehealth 292 Life Sciences 271 Financial Services 220 Climate & Sustainability 187 E-Commerce Platform 186 Industrial 186 Semiconductors & Hardware 184 Pharmaceutical 181 Retail 175 All of United States →

Marketing & Advertising elsewhere

North America 184 Europe 65 Greater China 24 MENA (Middle East & North Africa) 21 United Kingdom & Ireland 19 France & Iberia 18 DACH (Germany · Austria · Switzerland) 17 Middle East 15 India & South Asia 11 Latin America 11 Southeast Asia 11 Australia & New Zealand 10 All of Marketing & Advertising →

This page is the intersection of two independently computed cohorts: United States and Marketing & Advertising. A provider appears here only when it is already a member of both. United States membership is matched on tag, stated HQ, so this is a floor rather than a census — coverage gaps show up here as small numbers, not as absent pages.

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🇺🇸Marketing & Advertising in United States

Providers (178)

Indexed API documents (885)

beehiiv Authorizations API

beehiiv Tokens API

beehiiv Webhooks API

beehiiv Ad Network Offers API

beehiiv Ad Network Reports API

beehiiv Advertisement Opportunities API

beehiiv Authors API

beehiiv Automation Journeys API

beehiiv Automations API

beehiiv Bulk Subscription Updates API

beehiiv Bulk Subscriptions API

beehiiv Complimentary Access API

beehiiv Condition Sets API

beehiiv Custom Fields API

beehiiv Data Deletion API

beehiiv Engagements API

beehiiv Newsletter List Subscriptions API

beehiiv Newsletter Lists API

beehiiv OAUTH Users API

beehiiv Podcasts API

beehiiv Polls API

beehiiv Post Templates API

beehiiv Posts API

beehiiv Publications API

beehiiv Referral Program API

beehiiv Segments API

beehiiv Subscription Tags API

beehiiv Subscriptions API

beehiiv Tiers API

beehiiv Workspaces API

UserGems Accounts API

UserGems Contacts API

UserGems Privacy API

UserGems MCP

Regal Reporting Webhooks

Regal Campaigns API

Regal Dispositions API

Regal Events API

Regal Messages API

Regal Users API

Regal Active Phone Numbers API

Regal Branded Phone Numbers API

Regal Business Profiles API

Regal Call Handoffs API

Clix A2A Agent

Clix MCP Server

Clix Clix External Service API

Chili Piper MCP Server

Chili Piper Availability API

Chili Piper Chat API

Chili Piper Concierge API

Chili Piper Distribution API

Chili Piper Distro API

Chili Piper Meeting Type API

Chili Piper Meeting Type Reminder API

Chili Piper Meetings API

Chili Piper Rule API

Chili Piper Team API

Chili Piper Tenant API

Chili Piper User API

Chili Piper Workspace API

Chili Piper Hand off API

Chili Piper Scheduling Links API

RocketReach Account API

RocketReach Company Data API

RocketReach People Data API

D&B Risk Analytics MCP Server

D&B Direct+ Identity Resolution API

D&B Direct+ Search API

D&B Direct+ Enrich (Data Blocks) API

D&B Direct+ Multi-Process API

D&B Direct+ Data File (Batch) API

D&B Direct+ Monitoring API

D&B Direct+ Research API

Dun & Bradstreet Authentication API

Dun & Bradstreet Data File API

Dun & Bradstreet Enrich API