Estimate tool schema token cost API

Estimate tokens for caller-supplied tool names, descriptions, and schemas at four characters per token. The figure is an estimate, not a provider tokenizer count.

The Estimate tool schema token cost operation is part of the Agent Tool Schema Intelligence API on BRAINIAC.software. Estimate tokens for caller-supplied tool names, descriptions, and schemas at four characters per token. The figure is an estimate, not a provider tokenizer count. It is exposed as POST /api/v1/agent-tool-schema/tool-schema-token-cost and priced at $0.03 USDC on Base. Payment uses the x402 exact scheme: an unpaid call returns HTTP 402 with payment requirements; after paying the exact USDC amount, retry the same request with a payment-signature header and Idempotency-Key. No account and no API key are required. Data sources for this product: Caller-supplied tool definitions, JSON Schema objects, and OpenAPI documents processed locally Limitations: No schema URL is fetched and no language model reads the text. Keyword checks cover JSON Schema draft-07, JSON Schema 2020-12, OpenAPI 3.0, and OpenAPI 3.1. Two tools are not treated as duplicates only because they share a few words. Token figures are characters divided by four, not a provider tokenizer. Outputs are compliance prechecks, drafts, or data lookups for human review. They are not official determinations, legal advice, identity confirmation, or certified filings. Related operations in this group include Lint agent tool schemas, Detect ambiguous tool schemas, Detect overlapping tool schemas, Validate tool request examples. Open the group documentation for the full request schema, field notes, and response examples before integrating.