B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
165,000,000
165,000,000 -- cumulative transaction count for x402 protocol (2026-04)
By late April 2026, the x402 protocol had carried roughly 165 million cumulative transactions.
- Approximate figure
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
165,000,000
Unit
Count
Data Vintage
2026-04
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Coinbase
Primary
Tier B
https://godberrystudios.com/posts/x402-protocol-ai-agent-payments-2026/ ↗
Source Article
HTTP 402 “Payment Required” sat in the spec for 28 years marked “reserved for future use.” Nobody had a good way to make the web charge a machine for a single request. x402 is that way. An AI agent hits your API, gets a 402 with a price tag, pays in USDC, and retries — all in one HTTP exchange, no h…
Original Research
Coinbase
· Original study ↗
Methodology
Reported by Coinbase as protocol operator
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
x402 protocol: 165,000,000 cumulative transaction count. Source: Coinbase (2026-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/x402-transactions-165m-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/x402-transactions-165m-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>165,000,000</strong> -- cumulative transaction count for x402 protocol<br><small>Source: Coinbase (2026-04) · <a href="https://lighthousedata.io/data/x402-transactions-165m-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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