Cheapest x402 on-chain data API
As of 20 Oct 2026, the cheapest x402 on-chain data API Hagglyai tracks is x402.quicknode.com at $0.0001 per chain read (GET https://x402.quicknode.com/solana-mainnet), scored 70/100. Hagglyai compares 938 paid on-chain data APIs on price, live uptime and real usage.
Cheapest 10 by Hagglyai
| # | Service | Price per chain read | Score | Uptime 7d | Payers 30d |
|---|---|---|---|---|---|
| 1 | x402.quicknode.com x402.quicknode.com | $0.0001 | 70 B | 100% | — |
| 2 | x402.quicknode.com x402.quicknode.com | $0.0001 | 70 B | 100% | — |
| 3 | x402.quicknode.com x402.quicknode.com | $0.0001 | 69 C | 100% | — |
| 4 | base-data-api sableforge.servehttp.com | $0.0005 | 70 B | 100% | — |
| 5 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 70 B | 100% | — |
| 6 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 70 B | 100% | — |
| 7 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 69 C | 100% | — |
| 8 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 69 C | 100% | — |
| 9 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 3 F | 0% | 1 |
| 10 | Saylor Innovations On-Chain Data saylorinnovations.com | $0.0005 | 3 F | 0% | 1 |
Listings carrying a warning (wrong price, wrong wallet, not answering) are left out. Full on-chain data comparison has every listing, filters and sort orders.
Questions
What is the cheapest x402 on-chain data API?
As of 20 Oct 2026, the cheapest x402 on-chain data API Hagglyai tracks is x402.quicknode.com at $0.0001 per chain read (GET https://x402.quicknode.com/solana-mainnet), scored 70/100. Hagglyai compares 938 paid on-chain data APIs on price, live uptime and real usage.
How much does an x402 on-chain data API call cost?
Across 1042 paid endpoints Hagglyai tracks, prices run from $0.0001 to $200 per chain read; the middle half costs $0.002 to $0.01.
How does Hagglyai rank x402 APIs?
Hagglyai probes every paid endpoint for a valid x402 payment-required answer and scores it on 7-day uptime, speed and whether the price and wallet match the listing; usage comes from the public catalogues. Sellers cannot pay for placement. Method: https://hagglyai.com/how-we-test
How does an agent pay for an x402 on-chain data API?
The agent calls the endpoint, gets an HTTP 402 answer with the price, signs a USDC payment with any x402 client and repeats the call. Agents can also ask Hagglyai first, over MCP (find_best) or https://hagglyai.com/api/v1/best?task=on-chain%20data%20API.
See also: Best x402 on-chain data API
Source: hagglyai.com/compare/onchain-data · as of 2026-10-20 12:21 UTC · Markdown