Discover services.
Pay with x402.
A curated directory of APIs that accept x402 payments. A person reviews each submission before approval. A listing here does not guarantee a third-party service or inclusion in other directories.
Approved providers (9)
agent.connskill.com/v1/serp-report
Google SERP reports, keyword metrics and the full SEO research line — the house catalogue of this directory, operated by CONNSKILL. Anchor listing.
agent.connskill.com/ai/v1/eu-chat
GDPR-compliant LLM chat completion processed exclusively in Germany — operated by CONNSKILL. Anchor listing.
api.ibanforge.com/v1/iban/validate
IBAN validation and issuing-bank identification against 6 national bank registers (CH/LI, DE, AT, BE, FI), bank-level sanctions and SEPA reachability. Curated seed listing - verified x402-payable, not affiliated.
api.pogo-tb.nl/v1/adres
Dutch open-government data: BAG addresses, RDW vehicle registry, postcodes, transit departures. Curated seed listing - verified x402-payable, not affiliated.
shop.blocklabs.nl/api/search
Dropshipping storefront for agents: 300,000+ physical products, full-text search, ships to EU countries only. Curated seed listing - verified x402-payable, not affiliated.
tx402.ai/v1/chat/completions
EU-hosted LLM inference gateway: 20+ models, OpenAI-compatible, GDPR-compliant, zero data retention. Curated seed listing - verified x402-payable, not affiliated.
api.aventtech.com/validate/iban
Validation APIs: IBAN, EU-VAT (VIES), email, phone, GTIN, plus DNS/RDAP lookups and an AV/IT device-integration knowledge base. Curated seed listing - verified x402-payable, not affiliated.
api.mercury402.com/v1/fred/UNRATE
US Treasury and macro data: FRED indicators, yield curves, CPI and GDP series - 78 resources. Curated seed listing - verified x402-payable, not affiliated.
agent.connskill.com/chain/v1/chain-state
On-chain data lane: EVM wallet/contract state and read-only call simulation on 5 chains, EIP-7702-aware - operated by CONNSKILL. Anchor listing.
Submit your service
Your endpoint must return a valid x402 challenge to an unpaid request. Submission and status checks are free.
curl -X POST https://agent.connskill.com/v1/directory-submit \n -H 'Content-Type: application/json' \n -d '{"url":"https://your-service.example/v1/tool","description":"What the endpoint delivers","price":"0.10","category":"seo"}'You receive a reference. Read its review status at /v1/directory-status?id=…. Only an accepted listing can be activated by payment.
POST /v1/directory-activate {"id":"…"}
One-time activation: 3 USDC.
Machine-readable directory: /v1/directory