API comparisons by task

Find x402 APIs for your task. Compare per-call prices, uptime and payment data, grouped by category.

AI

• Is there a free LLM API?
• Image generation APIs you can pay per call
• LLM APIs you can pay per call
• Sentiment analysis APIs you can pay per call
• Text-to-speech APIs you can pay per call
• Transcription APIs you can pay per call

Blockchain

• Blockchain APIs you can pay per call

Compute

• VPS and sandbox APIs you can pay per call

Data

• Backlink APIs you can pay per call
• What is the best real estate API?
• What is the best SEO API?
• Company data APIs you can pay per call
• Data enrichment APIs you can pay per call
• Geocoding APIs you can pay per call
• IP geolocation APIs you can pay per call
• Keyword research APIs you can pay per call
• Lead enrichment APIs you can pay per call
• News APIs you can pay per call
• PDF APIs you can pay per call
• Real estate APIs you can pay per call
• Salary and jobs APIs you can pay per call
• Screenshot APIs you can pay per call
• SEO APIs you can pay per call
• Social media APIs you can pay per call
• Weather APIs you can pay per call
• Web scraping APIs you can pay per call
• Web search APIs you can pay per call
• Web search MCP servers you can pay per call
• WHOIS and domain APIs you can pay per call

Finance

• Crypto price APIs you can pay per call
• Exchange rate APIs you can pay per call
• SEC filings APIs you can pay per call
• Stock APIs you can pay per call
• Stock market APIs you can pay per call
• VAT and tax APIs you can pay per call

Verification

• Email validation APIs you can pay per call
• Email verification APIs you can pay per call
• Sanctions screening APIs you can pay per call