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Market around Machine Payments Protocol (MPP)

An open HTTP 402 payment protocol enabling agents and other machines to pay for resources using payment challenges, credentials, and verifiable receipts.

Visit agent-mpp.ai ↗Pricing page ↗
Pricing (1 buyer tier · 2 plans)
As parsed from agent-mpp.ai/ on 2026-11-06.

Explore the market

Prices and medians update for the tier you select.

Compare at
Machine Payments Protocol (MPP) · Pro
No Pro plan
—
Pro-API median
—
insufficient comparable pricing
vs Pro APIs
No comparison
Machine Payments Protocol (MPP) doesn't sell Pro
ⓘ Comparisons are same provider type (API) and same buyer tier (Pro). Never across tiers.
Market density
27th pctile
35 competing vendors
Comparable listings · 30d
—
Price spectrum · Pro plans · 3 of 6 providers priced · log scale · $15 → $99/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)Machine Payments Protocol (MPP) has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Machine Payments Protocol (MPP)'s job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

AAPIs3Ranked by similarity
Machine Payments Protocol (MPP)this listing
● API
no public price
RAE Fleet Router
● API72% similar
no public price
XGuard
● API70% similar
no public price
MMCP servers13Ranked by similarity
Voidly
● MCP78% similar
no public price
Settled
● MCP76% similar
$15/mo Pro
Paygate
● MCP75% similar
no public price
X402 Doctor
● MCP73% similar
no public price
ProofCheck
● MCP73% similar
no public price
stellar-x402-mcp
● MCP73% similar
no public price
probe402-check
● MCP73% similar
no public price
Paycheck
● MCP72% similar
no Pro plan
entry $9/mo
Ontario Protocol
● MCP72% similar
$99/mo Pro
XGuard
● MCP71% similar
no public price
xenarch-mcp
● MCP70% similar
no public price
Teppi
● MCP70% similar
no public price
Check X402 Payment Readiness
● MCP70% similar
no public price
OOther2Ranked by similarity
port402
● OTHER74% similar
no public price
x402
● OTHER70% similar
no public price
FFrameworks1Ranked by similarity
L402
● FRAMEWORK73% similar
no public price
AAgents1Ranked by similarity
402xAgent
● AGENT70% similar
no Pro plan
entry $1/mo

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.