liveuprouter — AI API router and gateway

Find the best AI API routers.
Use them all with one API key.

UPROUTER is an OpenAI- and Claude-compatible gateway: plug in your API keys from 310 routers (eg. OpenRouter, AWS Bedrock, Alibaba Cloud), then route every request with any model, through any vendor — via a single URL with failover aliases, daily spend caps and per-request compute metering you can audit line by line.

BYOK keys — AES-256-GCM encrypted
failover aliases, cheapest-first
daily caps with soft-limit headers
per-request compute metering

Open Connect Get free welcome compute

Explore the directory

gateway — first request

$ curl https://uprouter.online/api/connect/v1/chat/completions \
   -H "Authorization: Bearer upr_live_…" \
   -d '{"model": "sandbox-echo"'}'

← 200 OK · 412ms · 0.0002 compute · routed via sandbox-echo
  audit log: tokens in/out, latency, cost — per request

  {
    "id": "chatcmpl_9f2…",
    "model": "sandbox-echo",
    "routed_via": "sandbox-echo",
    "usage": { "compute": 0.0002, "tokens": "42/310" }
  }

endpoint

/api/connect/v1

auth

Bearer upr_live_…

metering

compute / request

routers 310 free-tier 215 connect 211 live up 116 models 490 free quota 215

refer a developer+50 compute

they get 10 — you get 50

// the index — expansive, community-regulatedno affiliate ordering · no pay-to-rank · uprouter.online

310 routers & providers · 490 models tracked · $4.3k free credits

// community-regulatedthe ranking is earned, never bought

Every entry answers to the community

The index is expansive; the community keeps it honest. Votes, reviews and verified corrections feed straight back into rankings and data confidence.

Vote
Upvote routers that deliver, downvote the ones that don’t — the score re-ranks the index.
Review
Evidence-based reviews with verification tags. Ratings, not vibes.
Verify
Corrections that survive review earn compute — and flip the entry to verified.

Join & start voting Earn compute for reviews →

Anyone can edit this index

Every router page has an edit button — propose corrections to descriptions, prices and free tiers. Editors review each proposal before it goes live, and accepted edits earn compute.

Propose
Open a router page, hit the edit button, and detail your proposed corrections.
Review
Editors rigorously verify every proposed correction against primary sources.
Live
Accepted edits are published instantly, and you earn compute for your work.

Browse the index → pick edit

Paid API

$ 105 entries match — showing 73–96 · sort: Free credits ↓

Paid API
unknownupdated 3d ago
poolside.ai
source · poolside.ai
overview
Poolside develops foundation models optimized for software engineering. Their API provides access to the Laguna series models (Laguna S, Laguna XS) with an emphasis on code generation and technical reasoning.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Laguna S 2.1Laguna XS 2.1
see poolside.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
predibase.com
source · predibase.com
overview
Predibase is an enterprise-grade low-code platform for fine-tuning and serving small language models. As of mid-2026, evidence suggests their managed public serving API has been discontinued or moved behind a private VPC-only model.
free quota
No free tier — the source marks this service as deprecated/discontinued.
free models
— none tracked
see predibase.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
publicai.co
source · platform.publicai.co/docs
overview
PublicAI is a decentralized AI data network and API gateway. It facilitates access to LLMs by leveraging a community-governed data infrastructure, offering an API platform for developers to integrate models with a focus on data transparency.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Llama 3.3 70B InstructDeepSeek ChatMistral Large 2407
see publicai.co’s free quota / risk review →
Paid API
unknownupdated 3d ago
www.qwencloud.com
source · qwencloud.com/pricing/api
overview
Qwen Cloud is the official developer platform for Alibaba's Qwen foundation models. It offers high-performance inference for the Qwen series (Max, Plus, Turbo) via an industry-standard OpenAI-compatible API, featuring credits-based billing and flexible subscription plans.
free quota
No public free-tier information found (researched 2026-08-29).
free models
Qwen2.5 72B InstructQwen-PlusQwen: Qwen-TurboQwen: Qwen MaxQwen3.5-FlashQwen3.5-9B+8
see www.qwencloud.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
recraft.ai
source · recraft.ai/pricing
overview
Recraft is a specialized AI design platform and API for high-quality vector and raster graphics generation. It allows developers to generate illustrations, icons, and 3D assets with consistent style controls and branding presets.
free quota
No public free-tier information found (researched 2026-08-29).
free models
— none tracked
see recraft.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
regolo.ai
source · regolo.ai/pricing
overview
Regolo AI provides scalable serverless AI infrastructure with a focus on privacy and zero data retention. It serves popular open-source models (Llama, Mistral, Qwen) via an OpenAI-compatible API, offering monthly token capacity plans and a flexible free trial.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Qwen3.8 27BGemma 4 31Bgpt-oss-120bgpt-oss:20bLlama 3.3 70B InstructMistral Small 4+3
see regolo.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
docs.reka.ai
source · docs.reka.ai/pricing
overview
Reka AI develops natively multimodal foundation models (Spark, Edge, Flash, Core) capable of processing text, image, audio, and video. Their API offers high-performance inference with competitive usage-based pricing for both compact on-device models and large flagship models.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Reka EdgeReka Flash 3
see docs.reka.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
routeway.ai
source · routeway.ai
overview
Routeway is an AI model router and gateway that provides a unified Bearer-auth interface for multiple global and domestic models. It simplifies integration for developers by handling model-specific protocols and providing a consistent management dashboard for keys and usage.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Muse Glimmer 30BGemma 4 26B A4B Qwen3.8 27BNemotron 3.5 LightningDeepSeek V4 FlashMercury 2.5 Preview+6
see routeway.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
docs.dev.runwayml.com
source · docs.dev.runwayml.com/guides/pricing
overview
Runway is a leading AI research company focusing on generative video and image tools. Their developer API provides programmatic access to Gen-3 Alpha and Gen-2 models, enabling creators to integrate advanced video generation into their own workflows and products.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
— none tracked
see docs.dev.runwayml.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
help.sap.com
source · help.sap.com/docs/sap-ai-core/sap-ai-core-service-guide/generative-ai-hub-in-sap-ai-core
overview
SAP Generative AI Hub provides enterprise-grade access to foundation models within the SAP AI Core environment. It ensures secure and compliant integration of LLMs like GPT-4 and Claude 3.5 Sonnet into SAP business applications, featuring unified management and data residency controls.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
gpt-3.5-turboGPT-4oAnthropic: Claude 3.5 SonnetGoogle: Gemini 1.5 ProGPT-4
see help.sap.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
sea-lion.ai
source · sea-lion.ai
overview
SEA-LION (Southeast Asian Languages In One Network) is a suite of LLMs specifically optimized for Southeast Asian languages and cultural contexts. The API platform allows developers to integrate these regional models into localized applications with easy Google-auth signup.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
— none tracked
see sea-lion.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
segmind.com
source · segmind.com/pricing
overview
Segmind is a serverless AI platform providing access to a wide range of models via API, including image generation (Stable Diffusion, Flux), LLMs, and more. It offers a pay-as-you-go model with monthly credits included in paid plans. Access is configured via an API key created in the dashboard.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
— none tracked
see segmind.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
www.snowflake.com
source · docs.snowflake.com/en/user-guide/snowflake-cortex/pricing
overview
Snowflake Cortex is a managed service within the Snowflake Data Cloud that provides access to LLMs (Llama, Mistral, Gemma) and AI functions. It uses a credit-based system where usage is billed per million tokens processed, independent of the Snowflake edition.
free quota
No public free-tier information found (researched 2026-08-29).
free models
Meta-Llama-3.1-70B-InstructLlama-3.1-8B-InstructGemma 2 27BMistral Large
see www.snowflake.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
speka.me
source · speka.me/pricing
overview
Speka is a unified AI API gateway providing access to frontier models (DeepSeek, Nemotron, Llama) via a single API key. It uses a subscription model with monthly usage allowances and standard per-token overage rates.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
DeepSeek V4 FlashLlama 3.3 70B Instructgpt-oss-120bMistral NemoNemotron 3 Ultra
see speka.me’s free quota / risk review →
Paid API
unknownupdated 3d ago
stability.ai
source · platform.stability.ai/pricing
overview
Stability AI provides a developer platform for its generative models, including Stable Diffusion 3.5 and Stable Audio. The API uses a credit-based system where different tasks (image generation, upscaling, editing) consume varying amounts of credits.
free quota
No public free-tier information found (researched 2026-08-29).
free models
— none tracked
see stability.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
ai.sumopod.com
source · ai.sumopod.com
overview
SumoPod (ai.sumopod.com) is an AI model API aggregator, often associated with the GAIB compute ecosystem. It typically exposes an OpenAI-compatible gateway for multiple frontier models. Details were checked against the provider's own page at ai.sumopod.com.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Claude Haiku 4.5Gemini 2.5 Prokimi-k2.6claude-sonnet-4-6claude-opus-4-6gpt-5.5
see ai.sumopod.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
suno.ai
source · suno.com/pricing
overview
Suno is a leading generative AI platform for music and audio. It offers subscription-based access to its music generation models (v3.5, v4) with daily or monthly credit allowances. Credits are used to generate songs, extend tracks, and extract stems.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
— none tracked
see suno.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
synthetic.new
source · synthetic.new
overview
Synthetic runs open-source AI models in private, secure datacenters with an emphasis on privacy and security. It offers an OpenAI-compatible API for integration with standard tools. Access is available via a monthly subscription or standard usage-based pricing.
free quota
No public free-tier information found (researched 2026-08-29).
free models
glm-5.3-flashQwen3.8 27BGLM-4.7-Flashkimi-k2.6kimi-k3
see synthetic.new’s free quota / risk review →
Paid API
unknownupdated 3d ago
hunyuan.tencent.com
source · aipricing.org/brands/tencent
overview
Tencent Hunyuan (混元) is a series of large-scale AI models integrated with the Tencent ecosystem (WeChat, Tencent Cloud). It offers strong Chinese language support and multimodal capabilities, including vision and code generation.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
Hunyuan A13B InstructHy4 previewHy3
see hunyuan.tencent.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
www.together.ai
source · together.ai/pricing
overview
Together AI is a leading cloud provider for open-source AI models, offering serverless inference, provisioned throughput, and dedicated clusters. It hosts over 100 models, including Llama, Qwen, and Mistral, with highly competitive per-token pricing.
free quota
No public free-tier information found (researched 2026-08-29).
free models
Meta-Llama-3.1-70B-InstructDeepSeek ChatQwen2.5 72B InstructMistral NemoGemma 2 27B
see www.together.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
topazlabs.com
source · topazlabs.com/pricing
overview
Topaz Labs specializes in AI-powered image and video enhancement software (Photo AI, Video AI). While primarily a desktop application suite, it offers cloud-based rendering and is associated with AI model APIs for media processing.
free quota
No public free-tier information found (researched 2026-08-29).
free models
— none tracked
see topazlabs.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
udio.com
source · udio.com/pricing
overview
Udio is an AI music generation platform that allows users to create high-fidelity audio tracks from text descriptions. It offers both a free tier with daily credits and subscription plans with higher quotas and advanced features (Voice Control, stem extraction).
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
— none tracked
see udio.com’s free quota / risk review →
Paid API
unknownupdated 3d ago
venice.ai
source · venice.ai/pricing
overview
Venice AI provides private, unrestricted access to leading AI models (text, image, audio, video) via an OpenAI-compatible API. It emphasizes zero data retention and hardware-verified privacy (TEE). Features a wide catalog of 300+ models including uncensored versions.
free quota
No public free-tier information found (researched 2026-08-29).
free models
Meta-Llama-3.1-70B-InstructLlama-3.1-8B-InstructMeta: Llama 3.1 405B Instruct
see venice.ai’s free quota / risk review →
Paid API
unknownupdated 3d ago
voidai.app
source · docs.voidai.app/guides/credits
overview
Void AI is an AI API aggregator compatible with the OpenAI SDK. It uses a credit-based billing system where model costs are calculated using multipliers (e.g., GPT-5.1 is 0.75, GPT-4o is 1.25). Offers both flat-rate plans and usage-based top-ups.
free quota
No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.
free models
GPT-5.1gemini-3-flash-previewGPT-4oClaude Opus 4.5
see voidai.app’s free quota / risk review →

// about_uprouter

UPROUTER.ONLINE is an independent, developer-facing directory of AI API providers. It tracks model aggregators, official first-party APIs, free relays, subscription routers and cloud platforms in one index. Inclusion is an editorial decision made on the merits of the data — it is never sold, and no listing position can be bought.

We do the normalization once so you can compare on facts instead of marketing: prices are expressed in USD per 1M tokens, free tiers are valued at each provider’s own pay-as-you-go rates, and reliability comes from our own best-effort uptime probes rather than self-reported status pages. Every entry carries source URLs, a verification date, a data-confidence flag and a change history.

The directory is informational only and is not an endorsement of any provider. Prices and free-tier values change frequently — always confirm current terms with the provider before you purchase. The full methodology, independence and non-endorsement policies are documented in detail, and you can reach the editors via /contact for corrections, takedowns or partnership questions.

$ free AI API key — a practical guide

Everything below is written for the person who just typed free AI API key into a search box: what the key is, how to get one, what “free” really costs, and how to use more than one without managing six dashboards. It is the prose companion to the live index above, which tracks the same providers with current numbers.

What is a free AI API key?

An AI API key is the credential your program uses to call a language model. Think of it as a password for a specific service: it identifies you, authorizes the request, and is what the provider meters and bills. A free AI API key is the same object, except the usage behind it is covered by the provider rather than your credit card — at least for a while.

Under the hood, the flow is always the same. You create a key in a provider’s dashboard, you send it with each request, and the provider runs your prompt on a model and returns tokens. The free part is a policy layer on top of that plumbing: a monthly credit budget, a per-minute and per-day rate cap, or a restricted list of models marked free. None of those policies change the fact that a free key and a paid key are the same shape of string pointed at the same kind of endpoint.

The reason the distinction matters in practice is that a free key is usually metered against a budget you did not choose to spend. When the budget empties, your request stops working until you reset the period, top up, or switch models. A paid key is metered against money you explicitly put there. Everything else — the header, the JSON request, the streaming response — is identical, which is exactly why a single gateway can sit in front of both.

How to get a free AI API key in 2026

Getting a free key takes minutes. The steps are the same at nearly every provider, so you can pick whichever free tier fits your use case and follow the pattern:

Choose a provider. If you want the easiest first experience, Google AI Studio or Groq are the most forgiving. If you want the widest choice of models behind one key, OpenRouter is hard to beat. The directory above lists each option with its current free-credit value so you are not guessing.
Create an account. An email address is enough for most free tiers. A handful ask for a card on file for abuse prevention but will not charge you until you move to a paid plan — read that note before you enter it.
Generate the key. In the dashboard’s “API keys” or “credentials” page, click create. The key is shown once; copy it to a secrets manager or environment variable immediately. Do not paste it into client-side code or a public repo.
Make a test call. Send a tiny completion request to confirm the key works and the free tier is active. If the response includes a usage or rate-limit header, note the numbers — those are the real limits you are working within.
Decide where to keep it. Either point your application straight at the provider, or drop the key into a gateway like Uprouter Connect so you can add more keys, set spend caps, and fail over when a free tier throttles you.

One nuance worth internalizing: the value of a free key is not that it exists, it is that it is portable. Because every free key talks the same OpenAI- or Claude-compatible protocol, the code you write against one key will run against another with only the base URL and the credential changed. That portability is what makes it sensible to hold several free keys and route among them.

Free key vs. free credits vs. free tier

People say “free AI API key” and “free credits” interchangeably, but they are three different things, and confusing them is how a project quietly stops working at exactly the wrong moment.

The key is the credential. It has a value only in that it grants access to whatever budget is attached to your account.
Free credits are a dollar amount of usage the provider has fronted for you — a signup grant or a trial balance. They are one-time in most cases: spend them and they are gone until the provider replenishes them.
A free tier is a standing, rate-limited plan you can use month after month. It is usually the “always available” part of a free key, with credits layered on top for a burst.

When you evaluate a provider for a free key, ask three questions. First, how many credits do I get on signup, and do they ever come back? Second, what is the standing free tier — which models, and what are the per-minute and per-day caps? Third, is there a hard wall — a day when the key requires payment to keep working? The directory above values the free tier at each provider’s own pay-as-you-go rates so the “how much is this actually worth” question is answered in one comparable number.

Safety and terms: what “free” actually means

The three things a free key’s terms almost always get wrong for the user are privacy, durability, and data use. Read for all three before you build on top of a free tier.

Data and training

Many free tiers may use your prompts and completions to improve models; paid plans usually may not, or let you opt out. If your traffic contains anything you would not want a model vendor to see, this single clause can disqualify a free key for production regardless of how generous the credits are.

Durability

A free tier is a marketing surface, not a service level. Limits can be reduced, models can rotate, and free previews can end. Treat any free key as best-effort and keep at least one alternative key warm so an upstream change is a config swap, not an outage.

Responsible use

Rate limits exist for the provider’s cost and your neighbors’ latency. Hitting them aggressively, or routing shared keys across many users, is the fastest way to get a free account suspended. Meter your own calls, cache what you can, and keep a per-user or per-project cap so one caller cannot burn the shared budget.

The risk tier on each entry in the directory above is our editorial read of exactly these questions — established operator versus young relay, clear terms versus vague ones, stable history versus a history of limit changes. It is one signal among many, and it is always paired with the source so you can verify it yourself.

The most useful free AI API keys right now

A shortlist to start from, grouped by what the free tier is best for. Free tiers change often, so treat the notes as the shape of the offer, not a spec — the live index above has the current credit values, rate-limit observations, and risk tier for each.

Provider	Models	Free offer	Notes
Google AI Studio	Gemini API	Free tier with rate limits	Standard models are free to key with no card; heavy or pro models move to paid. Good first key for chat and embeddings.
Groq	Llama, Gemma, and more	Free API key, fast inference	One of the lowest-latency free keys around; per-minute and per-day rate limits apply.
OpenRouter	Hundreds of models	Free :free model routes	A router with free variants of many models marked :free, plus a credit system for paid ones.
Mistral AI	Mistral, Codestral	Free La Plateforme tier	Free-tier keys with rate limits; a paid tier unlocks higher throughput.
Hugging Face	Open models	Free inference providers	Free access to a range of open models through hosted inference, subject to per-day quotas.
Cohere	Command, Embed	Free trial key	A trial key with a usage budget for text generation, embeddings, and reranking.
Cerebras	Llama, Qwen	Free fast inference	Very high token rates on a small set of open models, free while in preview.

verify current terms with the provider before relying on a free tier in production.

Using one gateway across many free keys

The natural next step after collecting a few free keys is to stop calling each provider by its own URL. Because the keys all speak the same protocol, you can point them at a single gateway and drive them like one API. That is the job of Uprouter Connect: it takes your OpenAI- and Claude-compatible calls, routes them to whichever provider you name, and gives you one base URL and one auth scheme in exchange.

The payoff is threefold. Failover: when a free tier rate-limits you mid-request, the gateway can try the next provider on an alias instead of returning an error. Metering: every call is logged with tokens in, tokens out, latency, and compute cost, so you can see exactly how hard each free key is working. And caps: you can set a daily compute ceiling so a runaway loop cannot drain a shared budget before you notice. For anyone managing more than one free AI API key, that single point of control is usually worth the hop.

Frequently asked questions

What is a free AI API key?

A free AI API key is a credential that lets your code call a large-language-model or AI service without paying, usually within a free tier or a set of free models. You sign up with an email, the provider issues a key, and you send it with each request (typically as an Authorization header) to hit an endpoint such as /chat/completions. "Free" almost always means "free up to a limit" — a monthly credit allowance, per-minute and per-day rate caps, or a subset of free models — not unlimited usage forever.

How do I get a free AI API key in 2026?

Pick a provider that offers a free tier (Google AI Studio, Groq, Mistral, OpenRouter, Hugging Face, Cohere, Cerebras are common starting points), create an account, open the API-keys console in the dashboard, and generate a key. Copy it into your client or into a gateway. Most free keys require no credit card, though some providers ask for one to prevent abuse and refund nothing until you top up.

Are free AI API keys really free, or is there a catch?

They are free to use within the stated limits, and the catch is the limit — not a hidden fee. Typical constraints: a monthly or one-time credit budget, rate limits (requests per minute, tokens per day), a restricted set of models, and data-handling rules that differ from paid plans. The important catches to read before you rely on a free key are (1) whether free-tier data may be used for training, (2) what happens to your key when the trial budget is exhausted, and (3) whether the free tier is guaranteed or best-effort.

What is the difference between a free key, free credits, and a free tier?

A free key is the credential itself. Free credits are a dollar amount of usage the provider grants so you can run paid models at no cost until the budget runs out. A free tier is an ongoing, rate-limited free plan you can keep using. A provider may give you all three at once: a free key, a one-time credit grant, and a persistent free tier for cheaper models. Knowing which of the three you are using tells you what happens the moment the number hits zero.

Which providers have the most useful free AI API keys?

For a first key, Google AI Studio (Gemini) and Groq are the friendliest: no card for standard models and fast responses. For breadth, OpenRouter gives you one key across hundreds of models with explicit :free variants. For open-weight models at speed, Cerebras and Hugging Face are strong. The right choice depends on whether you value raw speed, model variety, or a large credit budget — the directory on this page ranks all of these by free-credit value, risk, and live status so you can compare on facts.

Is it safe to use a free AI API key for a production app?

Use a free key for prototypes, demos, and light internal tooling, but treat it as best-effort: free tiers change limits, can be throttled, and usually sit behind paid plans for production SLAs and higher throughput. Before you ship something user-facing, read the provider’s terms on data retention and training use, confirm your rate limits cover real traffic, and have a paid or gateway-based fallback. If you are juggling several free keys, route them through a single gateway so you can switch providers and meter usage in one place.

What is Uprouter Connect and how does it help with free keys?

UPROUTER CONNECT is an OpenAI- and Claude-compatible gateway. You bring your keys (the free ones from the directory, your paid ones, or a mix), and every request goes through one URL with one auth scheme. That means failover across providers when a free tier rate-limits you, per-request compute metering so you can see exactly what each call costs, and daily spend caps. The directory above maps which providers work through Connect, their free-credit values, and their risk profile, so you can start with the best free key and graduate to paid without rewriting your integration.

Start with a free key, stay on one gateway

Claim welcome compute, add the free keys from this page, and make a real gateway call in under a minute. Every provider in the index above is marked for which ones route through Connect, so you can start free and scale to paid without changing a line of application code.

Get your key Browse free tiers

Informational only — not an endorsement. Verify pricing with the provider. ToS compliance is your responsibility.

// from_the_blog

Guides on AI API routers, free tiers, pricing and reliability — written by the Uprouter editorial team, data-true and linked to the live directory.

read the blog →

News & Methodology

Find the best AI API routers.
Use them all with one API key.

Every entry answers to the community

Anyone can edit this index

$ free AI API key — a practical guide

What is a free AI API key?

How to get a free AI API key in 2026

Free key vs. free credits vs. free tier

Safety and terms: what “free” actually means

Data and training

Durability

Responsible use

The most useful free AI API keys right now

Using one gateway across many free keys

Frequently asked questions

What is a free AI API key?

How do I get a free AI API key in 2026?

Are free AI API keys really free, or is there a catch?

What is the difference between a free key, free credits, and a free tier?

Which providers have the most useful free AI API keys?

Is it safe to use a free AI API key for a production app?

What is Uprouter Connect and how does it help with free keys?

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How Uprouter Verifies Data: Our Methodology, in Plain Language

The Real Risks of Using Third-Party AI API Routers: Data & Privacy

How We Check AI API Provider Reliability (and What "Up" Really Means)

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$ free AI API key — a practical guide

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Which providers have the most useful free AI API keys?

Is it safe to use a free AI API key for a production app?

What is Uprouter Connect and how does it help with free keys?

Start with a free key, stay on one gateway

How Uprouter Verifies Data: Our Methodology, in Plain Language

The Real Risks of Using Third-Party AI API Routers: Data & Privacy

How We Check AI API Provider Reliability (and What "Up" Really Means)

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