Flash Indexer REST API Documentation

Complete REST API for programmatic URL submission, status tracking, and credit management. Two API products: Backlinks API at $0.01 per URL (1 credit) and Commercial API at $0.10 per URL (10 credits, white-hat only). Authenticate with API keys via the X-API-Key header.

Base URL

https://api.flashindexer.com

Authentication

Generate API keys from your dashboard (up to 5 active keys). All keys use the imk_ prefix. Pass via X-API-Key header. Rate limit: 120 requests per minute.

Backlinks API — $0.01 per URL

Submit third-party backlinks for indexing using all 16 techniques. Set url_type to backlink (1 credit per URL). Ideal for guest posts, niche edits, PBN links, and directory links.

Commercial API — $0.10 per URL

Submit your own website pages for indexing using 9 white-hat techniques only. Set url_type to money_site (10 credits per URL). Safe for product pages, blog posts, and landing pages.

Endpoints

• POST /api/v1/urls/submit — Submit single URL (backlink: 1 credit, money_site: 10 credits)
• POST /api/v1/urls/bulk — Bulk submit up to 10,000 URLs per batch
• GET /api/v1/urls/{id}/status — Check individual URL status
• GET /api/v1/urls/batch/{batchId} — Check batch progress
• GET /api/v1/urls/list — List all submitted URLs with filters
• GET /api/v1/credits/balance — Check credit balance

Code Examples

Full code examples available in cURL, Python, Node.js, PHP, Go, and Ruby for every endpoint. 21-day indexing guarantee with automatic credit refunds.