Locus Pro · Prepaid tool credits
Pay-per-use agent tools
Give your agent tools from 3337 providers from one prepaid balance with no required monthly subscription on the Free plan. Pay only for the tool calls it makes.
Updated
Why pay-per-use beats subscriptions
Most API providers force you into monthly subscriptions, prepaid credit packages, or minimum commit tiers. This model fails for AI agents. Agent workloads are bursty and unpredictable — an agent might make 10,000 API calls one day and zero the next. With subscriptions, you either overpay during quiet periods or hit limits during spikes. Pay-per-use pricing aligns costs perfectly with actual usage. You fund Locus Pro credits, connect an agent, and pay the applicable price for each supported operation. Paid plans have monthly included credits that expire each billing period; purchased top-ups are separate. Review the live pricing basis before a call.
How it works
1. Fund your credit balance
Create a Locus Pro account and review the funding quote before adding credits. The number of calls covered depends on the selected operations and actual usage.
2. Call any API
Use a supported Locus Pro connection to access enabled operations across 3337 wrapped provider groups. OpenAI, Anthropic, OpenRouter, ElevenLabs, DeepSeek, Groq, Tavily, CoinGecko, and more are available through one authenticated catalog.
3. Pay per call
Each supported call uses the applicable amount from your credit balance. Some tools have a fixed per-call price; token, page, character, and generation-based tools are metered from actual usage. The catalog publishes the current price or pricing basis before you call.
No separate accounts needed
One of the biggest advantages of Locus's pay-per-use model is eliminating account sprawl. Without Locus, using five different API providers means five signups, five billing setups, five API keys to manage, and five invoices to reconcile. With Locus, you have one credit balance, one supported connection, and one unified billing view. Your agent can call OpenAI for reasoning, Tavily for search, Stability AI for images, and Judge0 for code execution — all billed to the same credit balance with a single audit trail.
Available API categories
LLM / Chat
Token-metered
OpenAI, Anthropic, Gemini, OpenRouter, DeepSeek, Groq, Grok, Perplexity, Mistral
Search & Scraping
Per call or page
Tavily, Exa, Firecrawl, DataForSEO
Data & Intelligence
Per request
CoinGecko, Alpha Vantage, Apollo, Diffbot, Hunter, BuiltWith
Audio & Generative
Usage-metered
Deepgram, ElevenLabs, Suno, Stability AI, fal.ai, Replicate
Who benefits from pay-per-use
- •AI agent developers — Test and iterate without committing to monthly plans across multiple providers
- •Startups — Keep costs variable as you scale. No need to forecast API usage months in advance.
- •Hobbyists & researchers — Experiment with expensive APIs for pennies without subscription commitment
Connect and control usage
Locus Pro uses prepaid credits. Start with the agent connection guide, review current plans, and configure spending controls before scaling a workflow. Pay With Locus is the separate on-chain wallet product.
Related resources
Frequently asked questions
Is there a monthly fee?
Not on the Free plan, which has no required monthly subscription. You pay the applicable price for each supported tool call from your prepaid balance.
Do included plan credits roll over?
No. Monthly included credits on paid plans expire each billing period. Purchased top-ups are separate.
How are token-based tools priced?
They are metered from actual usage, as are page, character, and generation-based tools. Other tools have a fixed per-call price. The catalog publishes the current price or pricing basis before you call.
How many calls will my credits cover?
It depends on the operations you select and actual usage. Review the funding quote before adding credits.