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X402 Protocol

x402 Protocol enables instant cryptocurrency payments through HTTP headers using the HTTP 402 Payment Required status code. The protocol allows clients to pay for resources via API without registration or complex authentication, settling transactions on blockchain networks within seconds. Services can accept payments with minimal code integration while maintaining chain and token agnostic support across multiple blockchain networks.
Category: Payments Infrastructure & Orchestration

Coinbase


Coinbase serves individuals and institutions looking to buy, sell, and hold cryptocurrency across multiple blockchains. Users can trade spot assets, earn rewards through staking, and access developer tools through Coinbase Cloud. The platform operates as both a consumer exchange and infrastructure provider for building on-chain applications.

Funding Rounds

Funding Round: Post-IPO Equity
Funding Date: 7 Jun, 2021
Raised Amount: $3.3M

Funding Round: Series F
Funding Date: 21 Dec, 2018
Raised Amount: $22M

Funding Round: Unknown
Funding Date: 1 Dec, 2018
Raised Amount: $50M

Funding Round: Series E
Funding Date: 30 Oct, 2018
Raised Amount: $300M

Funding Round: Unknown
Funding Date: 1 Oct, 2018
Raised Amount: $300M

Funding Round: Series F
Funding Date: 1 Jan, 2018
Raised Amount: $1.7M

Funding Round: Series D
Funding Date: 10 Aug, 2017
Raised Amount: $108M

Funding Round: Series D
Funding Date: 1 Aug, 2017
Raised Amount: $108M

Funding Round: Series C
Funding Date: 6 Jul, 2016
Raised Amount: $11M

Funding Round: Series C
Funding Date: 1 Jul, 2016
Raised Amount: $11M

Funding Round: Series C
Funding Date: 13 Jan, 2015
Raised Amount: $75M

Funding Round: Series C
Funding Date: 1 Jan, 2015
Raised Amount: $75M

Funding Round: Series B
Funding Date: 1 Dec, 2013
Raised Amount: $25M

Funding Round: Series A
Funding Date: 1 May, 2013
Raised Amount: $5M

Funding Round: Seed
Funding Date: 1 Sep, 2012
Raised Amount: $600K

Investors