RunAPI is a unified API platform that provides access to 250+ AI models across video, image, music, audio, and LLMs through a single API key with transparent pay-as-you-go pricing and no subscriptions.

Are failed API calls charged?

No, failed generations are not charged. You only pay for successful API calls.

No, credits never expire once purchased. You can use them whenever you need without time restrictions.

How does RunAPI billing work?

RunAPI uses per-call pricing in USD billed monthly to a single invoice with no subscription tiers or minimum spend. You top up credits and they are consumed by API usage.

What support hours are available?

Support is available through the configured support channel at contact@runapi.ai. Availability and response timing depend on the request and its technical scope.

APIs & SDKs

RunAPI

One API key for every AI model with unified billing and schema-first integration

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RunAPI provides unified access to 250+ AI models across video, image, music, audio, and LLMs with a single API key, token-based billing, and pre-built

Overview

A look at runapi.ai

RunAPI is a unified API platform that consolidates access to over 250 AI models across multiple modalities including video, image, music, audio, and large language models. Users authenticate once with a single API key and access models from all major providers without creating separate accounts.

The platform uses transparent pay-as-you-go billing in USD, billed monthly with no subscriptions or minimum spend. Failed generations are not charged. RunAPI provides schema-first SDKs in six languages that integrate into Claude Code, Cursor, and other agent environments, allowing developers to work with typed parameters and constraints.

The service includes unified pricing and billing across all providers, automatic task polling and webhooks for asynchronous operations, and per-project API keys for team environments. Model pricing is displayed in real-time and the platform handles routing and infrastructure overhead.

Feature notes

Single API key for 250+ models across all providers
Pay-as-you-go billing with no subscriptions or minimums
Schema-first SDKs for six languages
Real-time pricing transparency
Per-project API keys for team access control
Automatic task polling and webhook support
Agent integration with OpenClaw and Hermes
Usage analytics and spending controls
Credits that never expire

Pricing

Pay-as-you-go token-based billing. Video models from $0.0096/second to $2.52/video. LLM models from $0.05/1M input tokens. Audio and image models vary by capability. No subscriptions, no minimums, credits never expire. Failed generations not charged.

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RunAPI at a glance

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Followers: 0

RunAPI metrics

Inspection sheet for runapi.ai: Ahrefs Domain Rating and Majestic link metrics, with the delta since the last inspection.
Metric	Value
Domain Rating	35 no change since last check
Trust Flow	7 no change since last check
Citation Flow	37 no change since last check
Referring domains	125 no change since last check
External backlinks	38,105 no change since last check

Domain Rating by Ahrefs inspected 6 Nov 2026, adjusted 4 Nov 2026. Primary topic: Business/Directories (7). Majestic inspected 4 Nov 2026, adjusted 4 Nov 2026. Link data: Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

RunAPI domain diagnostics

Run through the diagnostics

Public RDAP record, last read 7 Nov 2026, 02:00 UTC.
Domain age	1 year
Registered	21 Feb 2025
Expires	21 Feb 2027
Registrar	NameSilo, LLC
DNSSEC	Signed

Run the full check on runapi.ai

RunAPI post-launch diagnostics

Measured after RunAPI went live on Launching Pro on 4 November 2026.

Domain Rating (Ahrefs): 35 no change since launch; 35 at launch (4 Nov 2026), 35 on 6 Nov 2026
Trust Flow (Majestic): 7; First measured 4 Nov 2026
Referring domains (Majestic): 125; First measured 4 Nov 2026

Day 2 since launch. Next receipt: day 30, 4 Dec 2026. The figures report a change; they do not say what caused it, and many things can. No figure here is a guess.

Biggest gains on Launching Pro

Launch tips, free to read

The playbook on Launching Pro lists what to prepare, what to post on launch day and where else to list your product.

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FAQ

What is RunAPI?: RunAPI is a unified API platform that provides access to 250+ AI models across video, image, music, audio, and LLMs through a single API key with transparent pay-as-you-go pricing and no subscriptions.
Are failed API calls charged?: No, failed generations are not charged. You only pay for successful API calls.
Do credits expire?: No, credits never expire once purchased. You can use them whenever you need without time restrictions.
How does RunAPI billing work?: RunAPI uses per-call pricing in USD billed monthly to a single invoice with no subscription tiers or minimum spend. You top up credits and they are consumed by API usage.
What support hours are available?: Support is available through the configured support channel at contact@runapi.ai. Availability and response timing depend on the request and its technical scope.

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