298 toolsone connectionpay per call

New tools for your agent.
No new accounts.

Add tools as your agent’s work grows, through the connection you already have.

Read the docs
your agent · example call
Asks
Check this VAT number before we invoice.
Calls
vat-validate · €0.02
{ "vat_number": "SE556703748501" }
Gets
{ "valid": true, "company_name": "Spotify AB", "country_code": "SE" }
charged €0.02source EU VIES

How a call works

One call, start to finish

  1. Your agent names the tool and its inputs. Here, IBAN Validation with one input.
  2. Strale runs it and answers. Clean, structured fields, with the source and the price on every result.
  3. Try it now. IBAN Validation is one of 11 free tools. Paste the request and run it; no key needed.
curl -X POST https://api.strale.io/v1/do \
  -H 'Content-Type: application/json' \
  -d '{
    "capability_slug": "iban-validate",
    "inputs": {
      "iban": "SE4550000000058398257466"
    }
  }'

Pricing

Pay per call. Two ways to do it.

No subscription and no contract. Every tool has one price, and a call that fails costs nothing.

Pricing in full

A wallet, with no account

Your agent pays each request in USDC on Base over x402. 275 tools take it today.

  1. 1Call the tool, with no key
  2. 2Get a quote: EU VAT Validation, $0.0216
  3. 3Pay and get the answer, in one retry

Quality

Tested, with the results in the open

Strale runs its own tests on its tools, from known answers to checks that the source is up, and publishes the results tool by tool.

How testing works
Most recent tests as of 5 Nov 2026

Make your agent’s first call

Get an API key for every tool, or start with a free tool and no key at all.