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Aggregated APIs

Everything your agent needs.One key.

5,000+ APIs, skills, and models behind one key — billed per call, no per-vendor contracts.

No subscription · Top up as you go · From $1

Get free API keyRead the docsLimited timeFree API trial

5,000+

APIs & Models

Up to 90%

off official API prices

Start here

Recommended: install the Felo Skill

One command. It asks for your key and installs the Skill. Your current model stays unchanged.

Recommended
npm install -g feloapi-cli@latest; feloapi onboard

Node.js 22+. It shows the key page, saves the key you paste, and installs the Skill. Your model/provider stays unchanged.

5,000+ APIs and skills

Everything your agent can call through one Felo key.

Third-party services, called through the same key. No vendor account, no separate contract.

Available routes change over time as the catalog grows.

Give your agent more meaningful work.

Research competitors, uncover customer needs and create campaign visuals. Connect the data, models and tools your agent needs to get there.

See all use cases

Turn competitor data into your next move.

A task to give your agent

Compare shopify.com, wix.com and squarespace.com: research traffic and acquisition channels, review product positioning and pricing, then produce a sourced comparison brief with opportunities to investigate.
  1. 01Gather traffic data
  2. 02Read product pages
  3. 03Synthesize a brief
Example report structure

Competitive landscape brief

  1. 01
    Traffic & acquisition

    Compare reach, engagement and channel mix over matching periods.

  2. 02
    Product & positioning

    Line up audiences, core features and published pricing with page links.

  3. 03
    Opportunities to investigate

    Separate sourced observations from hypotheses and proposed next steps.

Comparison tableSource linksResearch brief

An outline of the intended deliverable, not a completed analysis. No live brand research has been run here.

Build with

SimilarwebTavilyFirecrawlModel API

Your application or agent coordinates the API calls and model steps.

No subscription. Top up as you go.

Start with $1 in USD-denominated service credits. Model and Data API usage draws from the same service credit balance at the applicable rates.

See pricing

Service credits are for API usage. Charges follow the rates and billing units applicable when you call each endpoint.

Minimum top-up

$1USD

  • No card required to sign up
  • No subscription required — top up as you go
  • Shared service credits for models and Data APIs
  • Usage logs and task history

Token rates: before and after the discount

openai-mix

80% off

Input / 1M

$0.2$1

Output / 1M

$1$5

Prices can vary with input length and other conditions. If several conditions apply, the first one listed takes precedence.

Why Teams Choose Felo

Bring model access, data, billing, and service information together so your team can focus on building.

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One key for models, data and tools

Use a shared API key and credit balance across models, Data APIs, and Agent tools to reduce separate accounts and integrations.

Data APIs
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50–90% cheaper than official rates

Save on model API calls compared with official vendor rates. Pay as you go with no monthly subscription. See each model page for current discounts and rates.

Pricing
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Work with familiar SDKs

Reuse OpenAI-compatible SDKs for models supporting that protocol. Model pages list supported protocols and parameters to help you evaluate and switch.

Model API reference
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Usage and billing in one place

Check service credits, API usage, and top-up records in the Console. Contact support to investigate billing discrepancies.

API Dashboard
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From documentation to working requests

Use integration guides, request examples, and the Playground to connect model and data APIs to your applications and Agent workflows.

Quickstart
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Security and service terms you can review

The Trust Center brings together Felo company-level certifications, privacy policies, API key guidance, and the SLA for technical and procurement reviews.

Trust Center

Questions, answered.

Short answers on how the aggregated endpoint works, what it costs, and what happens to your data.

What is the Felo aggregated API?

One endpoint and one API key that reach three things: an aggregated catalog of third-party APIs, frontier models from multiple providers, and Felo's own agent APIs. Requests are billed per call from a single credit balance, so you do not open a separate account with each vendor.

Can my agent call third-party APIs, or only models?

Both. The same key serves the model routes and the aggregated third-party API catalog, so an agent can call a model and then call a search, social, or market-data route without a second credential.

What is in the third-party API catalog?

Search, social media, go-to-market, business data, contact data, market intelligence, commerce, and prediction markets. The set of available routes changes over time as the catalog grows, so treat the categories as the shape of the catalog rather than a fixed list.

How is this different from integrating each provider directly?

You keep one account, one key, and one bill instead of a separate credential, quota, and invoice per vendor. Model IDs are stable, so moving between providers or between models from the same provider is a string change rather than a new integration.

Which wire protocols are supported?

Three: OpenAI Chat Completions, OpenAI Responses, and Anthropic Messages. Existing clients for any of them work after a base URL and key change.

How does billing work?

Top up as you go from $1. You purchase USD-denominated service credits used to offset actual model and Data API usage. No subscription is required. Charges follow the applicable rates and actual usage; see the pricing page for current rates.

Am I locked into specific models?

No. The catalog is discoverable at request time through the models endpoint, and any listed model ID works with the same key.

What happens if a provider has an outage?

When you omit X-Felo-Channel, or send default by itself, Felo prioritizes lower-priced providers with larger discounts. If a provider is unavailable, it falls back to the next lowest-priced available provider for the same model.

What happens to my prompts and data?

Requests are processed to serve the response. Review Felo's privacy policy for retention and handling details before sending sensitive data.

What if I can't find the model I need?

Contact us at [email protected]. Some models are available only to selected customers and may not appear in the public catalog. If you need a model you cannot find, contact us to discuss access.

What developers say

  • “We were paying two vendors for image generation and LLM calls. Moving both behind one key removed a whole reconciliation spreadsheet — our Gemini spend dropped about 40% in the first month.”

    Maya Chen

    Backend Lead · Finch Labs

  • “Our support agent hits three providers in a single conversation. Because everything speaks OpenAI-compatible, swapping one for another is a one-line change instead of a migration.”

    Daniel Okafor

    Staff Engineer · Relayo

  • “I pointed Claude Code at the docs index and it had our integration working the same afternoon. I haven't opened a provider dashboard since.”

    Sofia Marin

    Founder · Tinyboat

Start with one key.

Create a key, point your client at the endpoint, and call your first model or API route today.