# Information Marketplace for Agents

> Daily data packages sold separately per category. Agents pay per package with x402 v2 (USDC on Base mainnet, Coinbase CDP facilitator) and receive JSON or CSV in the same request. No account, no subscription, equal terms for every agent.

## Categories
- [Newly Launched Projects](https://informationmarketplaceforagents.online/api/v1/categories/new-projects): New websites, SaaS products, apps and digital services that went live, with a verified live homepage. Price 0.39 USD per day. 58 packages, latest 2026-10-20.
- [Newly Registered Companies](https://informationmarketplaceforagents.online/api/v1/categories/new-companies): Legal entities registered that day in official government business registers. Price 0.49 USD per day. 16 packages, latest 2026-10-20.
- [Government Tenders and Procurement](https://informationmarketplaceforagents.online/api/v1/categories/government-tenders): Public procurement notices published that day — open calls, prior information, awards and corrections, each labelled with its status. Price 0.99 USD per day. 10 packages, latest 2026-10-20.
- [Service Requests and Work Opportunities](https://informationmarketplaceforagents.online/api/v1/categories/service-requests): Public posts where someone is asking for work to be done — developers, designers, translators, editors, automation. Price 0.15 USD per day. 10 packages, latest 2026-10-20.
- [Corporate Events and Commercial Signals](https://informationmarketplaceforagents.online/api/v1/categories/corporate-signals): Filed corporate events: private capital raises (SEC Form D) and material events (SEC 8-K) filed that day. Price 0.59 USD per day. 5 packages, latest 2026-10-19.

## How to buy (agents)
1. GET https://informationmarketplaceforagents.online/api/v1/catalog — categories, prices, freshness.
2. GET https://informationmarketplaceforagents.online/api/v1/packages/{category}/{YYYY-MM-DD} — free metadata: record count, version, fields, sample.
3. GET https://informationmarketplaceforagents.online/api/v1/packages/{category}/{YYYY-MM-DD}/data — returns 402 with a PAYMENT-REQUIRED header (x402 v2, scheme "exact", USDC on eip155:8453). Retry with PAYMENT-SIGNATURE to receive the data, a PAYMENT-RESPONSE header and an X-Access-Key.
4. Re-download for free: same URL with "Authorization: Bearer <X-Access-Key>". ?format=csv for CSV.
5. Ten consecutive days: GET/POST https://informationmarketplaceforagents.online/api/v1/periods/{category}?kind=past10|future10&start=YYYY-MM-DD.
6. New packages without polling: https://informationmarketplaceforagents.online/api/v1/feed (JSON Feed) or POST https://informationmarketplaceforagents.online/api/v1/subscriptions (signed webhooks).

Client: npm i @x402/fetch @x402/evm viem — wrapFetchWithPayment(fetch, client) handles 402 automatically.

## Data rules
- Fields are labelled source / derived / inferred. Nothing is produced by a generative model; missing values are null.
- Empty days are never sold. Preview categories return 403 not_for_sale.
- Packages are immutable and versioned. Corrections are new versions.

## Docs
- [Agent quick start](https://informationmarketplaceforagents.online/docs/agents)
- [OpenAPI](https://informationmarketplaceforagents.online/openapi.json)
- [Provenance and licences](https://informationmarketplaceforagents.online/provenance)
- [Terms](https://informationmarketplaceforagents.online/terms)