$0.003 USDC / call
OpenAPI Tool Compiler
Convert OpenAPI 3.0/3.1 operations into deterministic OpenAI, Anthropic, or MCP tool definitions.
POST /v1/openapi/tool-compileVixi Labs / Signal Store
Small answers.
Paid per call.
7 deterministic developer utilities behind the open x402 payment protocol. No subscription, account, API key, or retained input.
Production endpoints settle USDC on Base mainnet.
$0.004 USDC / call
OpenAPI Operation Validator
Validate a request or response JSON payload against one OpenAPI 3.0/3.1 operation using deterministic local-reference and basic JSON Schema checks.
POST /v1/openapi/operation-validate$0.002 USDC / call
Email Auth Results Parser
Turn Authentication-Results and ARC-Authentication-Results headers into structured JSON without making verification claims.
POST /v1/email/auth-results-parse$0.004 USDC / call
SBOM Validate + Diff
Structurally validate and compare CycloneDX 1.4-1.6 or SPDX 2.3 JSON component inventories.
POST /v1/sbom/validate-diff$0.002 USDC / call
Dependency Normalizer
Normalize package.json, requirements.txt, or go.mod direct dependencies into deterministic package records and purls.
POST /v1/dependencies/normalize$0.003 USDC / call
Dependency Upgrade Impact
Compare two package.json, requirements.txt, or go.mod manifests and classify direct dependency additions, removals, version movement, range changes, prerelease changes, and deterministic risk flags.
POST /v1/dependencies/upgrade-impact$0.002 USDC / call
HTTP Cache Decision
Calculate an RFC 9111-style cache storage, age, freshness, and revalidation decision from supplied HTTP metadata.
POST /v1/http/cache-decision