NOWPayments

./Pay

Crypto payment gateway API supporting 300+ cryptocurrencies

OpenAPI

[✗]MCP Server

[✓]OpenAPI Spec

[✗]Accepts MPP

[✗]Accepts x402

[✗]Supports ACP

[✗]Supports UCP

[✗]Skill File

[✗]Plugin Manifest

[✗]llms.txt

[✗]Structured Feed

[✗]Agent Protocol

authAPI Key

onboardingPartial — dashboard signup, then API key

tosNeutral — no bot restrictions

webhooksYes

free tierNo

billingper-transaction

#payments#crypto#gateway

https://nowpayments.io