REST API v1 • Deterministic Responses

Developer API Reference & Live Playground

Integrate real-time SEO auditing, keyword clustering, structured data schema generation, and AI prompt architecture directly into your SaaS applications and scripts.

API Quota Plans

🔑 Authentication & Sandbox Access

All API requests must include your API key in the HTTP Authorization header using the Bearer scheme. For instant sandbox testing, the default sandbox key below is pre-authorized.

Sandbox Playground Active:Preloaded with public sandbox key slt_test_demo1234567890abcdef12345678. You can execute live API calls directly from this playground. For dedicated production keys with custom quotas, view our Pricing Plans.

Active API Key

Rate Limit: 120 RPM | Quota: 5,000 / day

Available Endpoints

Website audits cost 100 credits per request. Keyword clustering costs 5 credits per keyword. Schema and prompt generation use request quotas only. Insufficient balances return HTTP 402; failed billable work releases its reserved credits.

/api/v1/analyze

Request Code Sample

curl -X POST "https://searchlearningtools.com/api/v1/analyze" \
  -H "Authorization: Bearer slt_test_demo1234567890abcdef12345678" \
  -H "Content-Type: application/json" \
  -d '{   "url": "https://searchlearningtools.com" }'

Test Request Payload (JSON)

API Quota Tiers

Free Sandbox30 RPM / 100 daily

Starter API key60 RPM / 1,000 daily

Pro API key120 RPM / 5,000 daily

Advanced API key300 RPM / 25,000 daily

Standard Error Codes

401 UnauthorizedMissing or invalid Bearer key

429 Rate LimitRPM or daily quota exceeded

400 Bad RequestMalformed URL or payload parameters

500 Server ErrorExternal upstream host timeout or failure