Apps with API access
99 apps
Top API access apps ranked by the community
HeyGen generates videos with AI avatars, clones your own avatar and voice, and translates videos into other languages with lip-sync.
18 HeyGen alternativesPros
- Clone your own avatar and voice for presenter videos
- Video translation with lip-sync into other languages
- API for generating avatar videos at scale
Cons
- Free plan is limited and adds a watermark
- Avatars can show unnatural gestures in longer videos
- Credit usage adds up quickly on long videos
Cost / LicenseFreemiumProprietaryCategoriesPlatformsBubble is a visual programming platform to design, develop and host web applications without writing code, now with AI generation.
11 Bubble alternativesPros
- Mature visual programming for complex web app logic
- Built-in database, hosting and API connector
- Large plugin marketplace and template library
Cons
- Steep learning curve for a no-code tool
- No code export, so apps stay locked into Bubble
- Workload-based pricing can be hard to predict
Cost / LicenseFreemiumProprietaryCategoriesPlatformsAhrefs offers keyword research, backlink analysis, rank tracking and site audits, plus Brand Radar to track brand mentions in AI answers.
16 Ahrefs alternativesPros
- Large backlink index with detailed link analysis
- Keyword research, rank tracking and site audits in one suite
- Brand Radar tracks brand mentions in AI answers
Cons
- Expensive for freelancers and small businesses
- Usage limits can hold back heavy research
- Takes time for beginners to learn
Cost / LicenseFreemiumProprietaryCategoriesPlatformsSemrush covers SEO, content marketing, competitor research, advertising and social media, with an AI toolkit for search visibility.
17 Semrush alternativesPros
- Covers SEO, content, ads and social in one platform
- In-depth competitor research on keywords, traffic and ads
- AI toolkit to monitor visibility in search
Cons
- Expensive, especially with extra users and add-ons
- The breadth of tools makes the interface overwhelming at first
- The free account allows only a few searches per day
Cost / LicenseFreemiumProprietaryCategoriesPlatformsNotion combines notes, documents, databases and project management in a flexible block-based workspace, with an integrated AI assistant.
17 Notion alternativesPros
- Docs, wikis and databases combined in one flexible workspace
- Large template gallery for roadmaps, trackers and wikis
- Real-time collaboration with comments, mentions and an API
Cons
- Databases and relations take time to master
- Offline access is limited compared with local-first apps
- Large workspaces can feel slow to load
Cost / LicenseFreemiumProprietaryCategoriesRunway is a web-based creative suite built around its own generative video models. It turns text prompts, images or existing clips into new footage, and adds AI tools for tasks such as removing backgrounds, expanding frames or restyling video. It is used by filmmakers, designers and agencies, and also offers an API and an iOS app.
8 Runway alternativesPros
- In-house video models that work from text, images or footage
- AI tools to remove backgrounds, expand frames or restyle clips
- API and iOS app alongside the web suite
Cons
- Credits run out fast on high-quality generations
- Free plan only gives a one-time batch of credits
- The range of tools means a steeper learning curve
Cost / LicenseFreemiumProprietaryCategoriesDream Machine is Luma AI's creative app for generating video clips and images from text prompts or reference images. It runs on Luma's own models (Ray for video, Photon for images) and lets users iterate on a chat-like board, extend shots and control camera motion. It is available on the web and iOS, and the models are also offered through an API.
8 Luma Dream Machine alternativesPros
- Runs on Luma's own Ray video and Photon image models
- Chat-like board makes iterating on ideas easy
- Camera motion control and shot extension
Cons
- Clips are short and often need several attempts
- Free plan is limited, with better quality on paid plans
- No Android app, only the web and iOS
Cost / LicenseFreemiumProprietaryCategoriesKling AI is a video generation platform developed by Kuaishou, the company behind the Kwai short-video app. It creates clips from text or images with realistic motion and adds tools such as lip sync, video extension and image generation. A daily allowance of free credits lets users try it, with paid plans and an API for heavier use.
8 Kling AI alternativesPros
- Realistic motion in clips made from text or images
- Lip sync and video extension tools built in
- Daily free credits to try it out
Cons
- Generation can be slow when demand is high
- High-quality clips burn through credits quickly
- Ownership by a China-based company may raise data concerns
Cost / LicenseFreemiumProprietaryCategoriesPlatformsSora is OpenAI's video generation model, available through a web app and mobile apps for iOS and Android. It creates short clips with synchronized audio from text prompts or images, and the Sora app adds a social feed where users can remix videos and, with consent, appear in each other's creations. Developers can also access the model through the OpenAI API.
8 Sora alternativesPros
- Short clips with synchronized audio from text or images
- Social feed for discovering and remixing videos
- Available on web, iOS, Android and through the OpenAI API
Cons
- Cameo and remix features raise likeness and consent concerns
- Availability and generation limits vary by country and plan
Cost / LicenseFreemiumProprietaryCategoriesVeo is Google DeepMind's family of video generation models. Recent versions produce high-resolution clips with native audio, including dialogue and sound effects, from text or image prompts. Veo is not a standalone app: it is used through the Gemini app, the Flow filmmaking tool, Vertex AI and the Gemini API, mostly with paid Google AI plans.
8 Google Veo alternativesPros
- Generates clips with native audio, including dialogue and effects
- High-resolution output from text or image prompts
- Available through Gemini, Flow, Vertex AI and the Gemini API
Cons
- No standalone app: access is spread across Google products
- Mostly requires a paid Google AI plan
- Generation quotas limit how many clips you can make
Cost / LicensePaidProprietaryCategoriesD-ID turns a still photo or a stock avatar into a talking presenter driven by text or recorded audio. Its Creative Reality Studio is used for marketing, training and personalized videos, while its API and interactive agents let companies build real-time conversational avatars into websites and apps.
7 D-ID alternativesPros
- Turns a single photo into a talking presenter
- API and interactive agents for real-time conversational avatars
- Avatars can be driven by typed text or recorded audio
Cons
- Photo-based animation can look less natural than video avatars
- No lasting free plan, only a trial
Cost / LicenseFree trialProprietaryCategoriesPlatformsAuphonic is a web service that automatically finishes spoken audio: it balances levels between speakers, normalizes loudness to broadcast and podcast standards, reduces noise and hum, and can cut filler words and silences. It also offers speech recognition, chapter marks, direct publishing to hosting services and an API. A monthly amount of free processing time is included.
8 Auphonic alternativesPros
- Automatically levels speakers and normalizes loudness to podcast standards
- Takes repetitive post-production off your plate for recurring shows
- API and direct publishing fit into automated podcast workflows
Cons
- Little manual control compared with editing audio yourself in a DAW
- Free processing time is limited each month
Cost / LicenseFreemiumProprietaryCategoriesPlatformsElevenLabs is an AI audio company offering natural-sounding text-to-speech in many languages, voice cloning, a voice library, automatic dubbing, speech-to-text and sound effect generation. Creators use its web studio for narration and audiobooks, while developers rely on its API to build conversational voice agents. It has a free tier, and paid plans include commercial usage rights.
11 ElevenLabs alternativesPros
- Natural-sounding speech in many languages
- Voice cloning, dubbing and a large voice library
- API for building conversational voice agents
Cons
- Credits run out quickly on long narration projects
- Commercial usage rights require a paid plan
- Voice cloning raises misuse and consent concerns
Cost / LicenseFreemiumProprietaryCategoriesMurf is an AI voice generator with a studio where you write a script, pick from a library of voices in many languages, and adjust pitch, speed, pauses and emphasis. Voiceovers can be synced with video, images or slides on a timeline, which suits training content, explainers and ads. It also offers voice cloning, dubbing, team workspaces and an API.
8 Murf AI alternativesPros
- Fine control over pitch, speed, pauses and emphasis
- Timeline syncs voiceovers with video, images or slides
- Team workspaces, voice cloning and an API
Cons
- Free plan is limited and restricts downloads
- Voices can sound flat without manual tuning
Cost / LicenseFreemiumProprietaryCategoriesPlatformsWellSaid is an AI text-to-speech platform for businesses that produce a lot of training, marketing and product content. Its voices are built from recordings of paid voice actors who consented to their use, and its studio lets teams control pronunciation, pacing and emphasis, share projects and keep a consistent brand voice. An API is also available for integration.
8 WellSaid alternativesPros
- Voices built from paid voice actors who consented to their use
- Pronunciation, pacing and emphasis controls
- Shared projects help teams keep a consistent brand voice
Cons
- Aimed at businesses, with pricing to match
- No lasting free plan, only a trial
Cost / LicenseFree trialProprietaryCategoriesPlatformsResemble AI is a voice platform for creating custom AI voices from recorded samples, generating speech in multiple languages and converting one voice into another. It stands out for its focus on security, with audio watermarking and a deepfake detection product, and for its developer API. The company has also released Chatterbox, an open source text-to-speech model.
6 Resemble AI alternativesPros
- Custom voices from recorded samples, plus voice conversion
- Audio watermarking and a deepfake detection product
- Released Chatterbox, an open source text-to-speech model
Cons
- Developer-oriented, with a steeper learning curve
- High-quality custom voices depend on clean recordings
- Advanced features require paid plans
Cost / LicenseFreemiumProprietaryCategoriesPlatformsCartesia builds low-latency voice AI models, led by its Sonic text-to-speech model, for developers creating real-time voice agents, customer service bots and interactive apps. Its API and web playground offer many languages, instant voice cloning and fine control over emotion and speed. The company's research is based on state space model architectures.
5 Cartesia alternativesPros
- Low-latency Sonic text-to-speech suited to real-time voice agents
- Instant voice cloning from a short recording
- Fine control over emotion and speaking speed
Cons
- Developer-focused, with little for non-technical creators
- Higher volumes and advanced features require paid plans
Cost / LicenseFreemiumProprietaryCategoriesPlatformsChatGPT is OpenAI's general-purpose AI assistant. You can use it to draft and edit text, get answers backed by live web search, analyze uploaded files and data, generate images and hold voice conversations. Custom GPTs let anyone build an assistant for a specific task, and apps are available on desktop and mobile alongside the web version.
12 ChatGPT alternativesPros
- Versatile assistant for writing, analysis, coding and images
- Polished apps on the web, desktop and mobile
- Custom GPTs adapt it to specific tasks
Cons
- Can state wrong information confidently, so answers need checking
- Top models and higher limits require a paid plan
- Conversations may be used for training unless you opt out
Cost / LicenseFreemiumProprietaryClaude is an AI assistant built by Anthropic. It handles long documents and files, writing and editing, data analysis and programming help, and can search the web when needed. Projects keep related chats and reference files together, and connectors based on the Model Context Protocol link Claude to other apps. It runs on the web, desktop and mobile, and through an API.
12 Claude alternativesPros
- Handles long documents, nuanced writing and coding tasks well
- Projects keep related chats and reference files together
- MCP connectors link it to other apps and data
Cons
- Usage limits can be reached quickly, even on paid plans
- No built-in image generation
- Can still make mistakes, so answers need checking
Cost / LicenseFreemiumProprietaryPerplexity is an AI search assistant that answers questions in natural language and lists the web sources behind each answer, so claims can be checked. Follow-up questions keep context, deeper research modes run multi-step searches, and you can upload files to analyze. It runs on the web, desktop, mobile and as a browser extension, and the paid plan lets you choose between several AI models.
11 Perplexity alternativesPros
- Every answer lists its web sources for easy checking
- Deep research modes run multi-step searches
- The paid plan lets you choose between several AI models
Cons
- Summaries can misread or overstate what sources say
- The free plan limits advanced searches and model choice
- Less suited to long creative writing than general chatbots
Cost / LicenseFreemiumProprietaryCategoriesLe Chat is the AI assistant from Mistral AI, a French company that develops its own language models. It offers web search with cited sources, document and image analysis, image generation and agents you can configure for recurring tasks. It is available on the web and mobile, with a free tier, a Pro plan and team options for organizations that prefer a European provider.
10 Le Chat (Mistral AI) alternativesPros
- European provider, appealing to GDPR-conscious teams
- Web search answers come with cited sources
- Configurable agents for recurring tasks
Cons
- Smaller ecosystem of integrations than the largest assistants
- Advanced features and higher limits require the Pro plan
Cost / LicenseFreemiumProprietaryCategoriesGrok is the AI assistant developed by xAI, Elon Musk's artificial intelligence company. Besides general chat, it can search the web and posts on X to follow recent events, analyze files, generate images and hold voice conversations. It is available on grok.com, in dedicated mobile apps and inside X, with higher usage limits and newer models on paid tiers.
9 Grok alternativesPros
- Real-time access to posts on X for following the news
- Image generation and voice mode included
- Available inside X as well as in its own apps
Cons
- Answers drawn from X posts can repeat misinformation
- Looser moderation has led to controversial outputs
- Newest models and higher limits are reserved for paid tiers
Cost / LicenseFreemiumProprietaryCategoriesDeepSeek is the chat assistant from the Chinese AI lab of the same name, running on its own models. The web and mobile apps are free and offer web search, file reading and a DeepThink reasoning mode. The model weights are published under the MIT license and can run on your own hardware. A pay-as-you-go API is offered to developers, and data from the hosted service is processed in China.
9 DeepSeek alternativesPros
- Free web and mobile apps with a reasoning mode
- Open-weight models under the MIT license can run locally
- Low-cost pay-as-you-go API for developers
Cons
- The hosted service processes data in China, a privacy concern
- Answers on politically sensitive topics are censored
- No image generation in the chat app
Cost / LicenseFreeOpen sourceCategoriesPlatformsPoe, made by Quora, brings models from several AI providers into a single chat app, covering text, image and video generation. You can bring other bots into a conversation, compare answers and create your own bots from a custom prompt or code. A free daily allowance is included, and a subscription adds compute points for heavier use. Poe runs on the web, desktop and mobile.
8 Poe alternativesPros
- Many AI models from different providers in one app
- Compare answers and bring several bots into one chat
- Create your own bots from a prompt or from code
Cons
- The compute point system makes usage costs hard to predict
- The free daily allowance runs out fast with premium models
- Fewer advanced features than the providers' own apps
Cost / LicenseFreemiumProprietaryCategoriesJasper is an AI writing platform aimed at marketing teams. It produces blog posts, ads, emails and social copy from ready-made templates and apps, and keeps output consistent through brand voice profiles, style guides and a shared knowledge base. A browser extension and an API bring it into other tools, and workspaces support team collaboration. There is no free plan, only a trial.
10 Jasper alternativesPros
- Brand voice profiles and style guides keep content consistent
- Templates and apps for blogs, ads, emails and social posts
- Browser extension and API bring it into other tools
Cons
- No free plan, only a trial
- Pricing is steep for solo creators
- Output still needs fact-checking and editing
Cost / LicenseFree trialProprietaryCategoriesPlatformsCopy.ai started as an AI copywriting tool and now focuses on go-to-market teams. Besides a chat interface and templates for marketing copy, it offers workflows that chain AI steps to automate tasks such as prospect research, outreach emails, content repurposing or SEO briefs. Brand voice settings, team workspaces, CRM integrations and an API are included, with a limited free plan.
9 Copy.ai alternativesPros
- Workflows chain AI steps to automate go-to-market tasks
- Brand voice settings keep copy consistent
- CRM integrations and an API for sales and marketing teams
Cons
- Its focus on GTM workflows makes it less suited to solo writers
- Free plan is limited compared with paid tiers
- Generated copy still needs editing to sound original
Cost / LicenseFreemiumProprietaryCategoriesPlatformsStable Diffusion is a family of text-to-image models released by Stability AI with downloadable weights. Because they run locally on a capable GPU, a large ecosystem has grown around them: interfaces such as ComfyUI and AUTOMATIC1111, fine-tuned community models, LoRAs and ControlNet. Recent versions use the Stability AI Community License, and Stability also sells hosted API access.
9 Stable Diffusion alternativesPros
- Downloadable weights run locally, offline and in private
- Huge ecosystem of interfaces, community models, LoRAs and ControlNet
- Deeply customizable, from fine-tuning to precise pose control
Cons
- Needs a capable GPU and some technical setup
- Raw results take more prompt work than polished hosted services
- Recent versions use a license that restricts larger commercial users
Cost / LicenseFreemiumSource availableCategoriesPlatformsLeonardo.Ai is an AI image generation platform, owned by Canva since 2024, that offers its own models alongside third-party ones. It covers prompt-based generation with style and character references, a canvas editor for inpainting and outpainting, upscaling, custom model training and short video generation. Free tokens are granted daily, and paid plans add more tokens, private generations and API access.
10 Leonardo.Ai alternativesPros
- Daily free tokens make it easy to try without paying
- Canvas editor handles inpainting and outpainting
- Custom model training for consistent styles or characters
Cons
- Token costs vary by model and settings, which can be confusing
- Private generations and API access require a paid plan
Cost / LicenseFreemiumProprietaryCategoriesIdeogram is an AI image generator designed to render readable text inside images, which makes it useful for posters, logos, packaging, thumbnails and social graphics. Besides text-to-image with style presets and style references, it offers Magic Prompt to expand short ideas, a canvas for editing and extending images, upscaling and an API. A limited free tier is available.
11 Ideogram alternativesPros
- Renders legible, well-placed text inside generated images
- Magic Prompt turns a short idea into a detailed prompt
- Canvas for editing, extending and upscaling images
Cons
- Free tier is tight, and private generations need a paid plan
- Editing tools are lighter than those of full design suites
- No Android app, only the web and iPhone
Cost / LicenseFreemiumProprietaryCategoriesFLUX is a family of image generation and editing models from Black Forest Labs, a German lab founded by former Stable Diffusion researchers. Some variants have open weights, under Apache 2.0 or a non-commercial license, and can run locally or be fine-tuned. The most capable Pro and Kontext models are offered through a paid API and many partner platforms. Kontext edits existing images from text instructions.
7 FLUX alternativesPros
- Detailed, photorealistic images that follow prompts closely
- Some variants have open weights you can run locally or fine-tune
- Kontext edits existing images from plain text instructions
Cons
- The most capable Pro models are only available through a paid API
- Running the open weights locally requires a powerful GPU
- Licenses differ by variant, and some forbid commercial use
Cost / LicenseFreemiumSource availableCategoriesPlatforms
