Announcing Ostack

8,416 tools in one wallet.

One wallet for your agents to pay for any API or service.

Backed by:

Spot VC

Y Combinator

Scout

645 Ventures

Paul Graham

PaulGraham

Investors From

Goldman Sachs

Investors From OpenAI

OpenAI

CRV

Scout

Eight Capital

The paid web.
Open to your agents.

One wallet for agents to access paid goods and services. Connect once, then let your agents find, use, and pay for the tools their work needs.

The right tool, already in reach

Explore 8,416 catalog tools across models, search, data, media, and services. Use wallet-funded tools where available, or connect your own provider account.

Explore the wallet ↗

The right tool, already in reach

Explore 8,416 catalog tools across models, search, data, media, and services. Use wallet-funded tools where available, or connect your own provider account.

One wallet. Room for every agent.

Keep your tools and agent cards together. Connect through MCP, the API, or the SDK.

A card for the work ahead

Name your card, choose its services, and set an allowance. Give your agent an access key, and adjust the card as its work changes.

Every call, accounted for

See which tools your agent used, what each call cost, and how it finished.

Tool	Time	Status	Amount	Actions
Exa Search		Completed
Firecrawl Crawl		Completed
Generate Image		Completed
Search the web		Completed
Text to Speech		Completed
Anthropic API		Completed
GitHub CLI		Completed
Resend API		Completed
Deepgram API		Completed
black-forest-labs/flux-2-flex		Completed
Exa Contents		Completed
Firecrawl Agent		Completed

One easy connection.

Give your agents more to work with.

Research a company

Find the sources, read the pages, and turn them into a brief with citations.

Exa + Firecrawl

Create a voiceover

Turn your agent’s script into audio, ready for a demo, a video, or a presentation.

Deliver the result

Put the finished work where it belongs. Send an email through a connected service.

Your agents can spend.
You stay in control.

Give your agents room to work, with clear boundaries around their tools, accounts, and spending.

How do limits work?

Set a spending limit and approved tools for each agent key.

Which agents can connect?

Use an MCP-compatible agent, or connect your own agent through the API or SDK.

Can I use my own accounts?

Yes. Connect provider accounts without giving their credentials directly to your agent.

What does a call cost?

Get a quote first. Charges depend on the tool and usage, with a record of each call.

What if funds run low?

Wallet-funded calls need available funds. Add credits before starting more paid work.

Can I revoke access?

Revoke an agent key to stop future access. Service creation requires explicit permission.

More useful agents. Less setup.

Practical guides to the tools, services, and workflows behind the work.

OpenRouter for Tools: One API for Agent Capabilities

Understand the OpenRouter for tools idea: shared access to agent capabilities, with clear account choices, useful workflows, and recovery.

Build a Company Research Agent

Build a company research agent with evidence-linked search, page retrieval, selective enrichment, clear budgets, and a reviewable supplier brief.

Nevermined vs Composio vs o11: Paid Tools for Agents

Compare paid-tool access, connected accounts, setup effort, and execution evidence across o11, Composio Instant, and Nevermined.

Give your agents a wallet.
Open up their world.

The paid web, through one simple API.

Become a partner Sell your product/API to agents using o11.