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Auxiliar

One API key, multiple tools - for you and your AI agents

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Auxiliar provides a single API key that grants access to multiple tools through a unified interface, eliminating the need for you and your AI agents to create separate accounts for each service provider.

Why use it

Instant Access to Multiple Tools

Give AI agents instant access to multiple tools so they can complete tasks for you end-to-end.

Consolidated Billing

Transparent and consolidated billing, regardless of how many tools you use.

Reduce Switching Costs

Reduce your switching costs between similar service providers, whether you’re testing or in production.

Higher Rate Limits

Auxiliar works directly with providers to offer higher rate limits and more throughput.

Tools

ToolPrefixWhat it doesMethods
Serper/serper[/<endpoint>]Google SERP across every vertical, plus webpage scrapingGET, POST
ScraperAPI/scraperapiGeneral-purpose web scrapingGET, POST, PUT
SerpApi/serpapiSearch engine resultsGET
ElevenLabs/elevenlabs/<api path>Text-to-speech, voices, models, ConvAI, and moreGET, POST, PATCH, DELETE

How it works

1

Get one API key

Sign up for Auxiliar and generate a single key — no separate account or key for each provider.

2

Point your requests at Auxiliar

Use https://api.auxiliar.ai as the base URL and send your key as a bearer token: Authorization: Bearer <your-key>.

3

Call any tool's native API

Use each tool exactly as its own docs describe — same paths, parameters, and responses.

Base URL

https://api.auxiliar.ai

Next steps

Quickstart

Make your first authenticated call in under a minute

Authentication

How bearer tokens work and what the 401 means

API Reference

Every route, parameter, and response