Coinme
Coinme is a Seattle-based regulated cryptocurrency company that offers Crypto-as-a-Service (CaaS): modular API infrastructure that lets platforms embed crypto without building it from scratch. Its Crypto-as-a-Service API covers KYC/AML customer and business onboarding, executable and informational buy/sell quotes, buy/sell and sell-all transactions, custodial and external-wallet sends, crypto asset balances, cash on/off-ramp via barcode order templates at physical locations, transaction history and limits, supported chains, and location licensing. It ships an embeddable Widget, a PCI-scope-reducing Vault SDK for secure card capture, and a Risk Engine SDK for real-time fraud signals, plus HMAC-signed webhook notifications. Coinme is backed by Pantera Capital.
Coinme publishes 28 APIs on the APIs.io network, including AuthLinkResult API, Authorize API, Businessonboarding API, and 25 more. Tagged areas include Company, Crypto, Cryptocurrency, Payments, and Bitcoin.
The Coinme catalog on APIs.io includes 1 event-driven AsyncAPI specification.
Coinme’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, pricing, signup flow, and 26 more developer resources.
Kin Score
APIs 28
Individual APIs this provider publishes, each with its own machine-readable definition.
Coinme AuthLinkResult API
The AuthLinkResult API from Coinme — 1 operation(s) for authlinkresult.
Coinme Authorize API
The Authorize API from Coinme — 1 operation(s) for authorize.
Coinme Businessonboarding API
The Businessonboarding API from Coinme — 1 operation(s) for businessonboarding.
Coinme Cryptoassetbalance API
The Cryptoassetbalance API from Coinme — 1 operation(s) for cryptoassetbalance.
Coinme CryptoChains API
The CryptoChains API from Coinme — 1 operation(s) for cryptochains.
Coinme Cryptoquote API
The Cryptoquote API from Coinme — 4 operation(s) for cryptoquote.
Coinme Customeronboarding API
The Customeronboarding API from Coinme — 1 operation(s) for customeronboarding.
Coinme Historiccryptodata API
The Historiccryptodata API from Coinme — 1 operation(s) for historiccryptodata.
Coinme Identity API
The Identity API from Coinme — 1 operation(s) for identity.
Coinme Locationlicensing API
The Locationlicensing API from Coinme — 1 operation(s) for locationlicensing.
Coinme Locations API
The Locations API from Coinme — 1 operation(s) for locations.
Coinme MobileAuth API
The MobileAuth API from Coinme — 1 operation(s) for mobileauth.
Coinme MobileAuthFinish API
The MobileAuthFinish API from Coinme — 1 operation(s) for mobileauthfinish.
Coinme Order Template API
The Order Template API from Coinme — 4 operation(s) for order template.
Coinme Paymentmethods API
The Paymentmethods API from Coinme — 3 operation(s) for paymentmethods.
Coinme Quote And Transaction API
The Quote And Transaction API from Coinme — 1 operation(s) for quote and transaction.
Coinme Send API
The Send API from Coinme — 1 operation(s) for send.
Coinme SendAuthSms API
The SendAuthSms API from Coinme — 1 operation(s) for sendauthsms.
Coinme Services API
The Services API from Coinme — 1 operation(s) for services.
Coinme SmsAuth API
The SmsAuth API from Coinme — 1 operation(s) for smsauth.
Coinme Submit Blockchain Id API
The Submit Blockchain Id API from Coinme — 1 operation(s) for submit blockchain id.
Coinme Transaction API
The Transaction API from Coinme — 1 operation(s) for transaction.
Coinme Transactionhistory API
The Transactionhistory API from Coinme — 1 operation(s) for transactionhistory.
Coinme Transactionlimits API
The Transactionlimits API from Coinme — 1 operation(s) for transactionlimits.
Coinme Transactions API
The Transactions API from Coinme — 1 operation(s) for transactions.
Coinme Verify API
The Verify API from Coinme — 1 operation(s) for verify.
Coinme Wallets API
The Wallets API from Coinme — 2 operation(s) for wallets.
Coinme Widget API
The Widget API from Coinme — 1 operation(s) for widget.
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Postman Collections 28
Ready-to-run Postman collections for exercising this provider's APIs.
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Arazzo Workflows 2
Multi-step API workflows described with the Arazzo specification.
_Index
ARAZZOCoinme — onboard a customer and buy crypto
Authorize as a partner, KYC-onboard an end user, create an executable buy quote, and execute it against the quote. Operation ids are verified against openapi/coinme-caas-openapi...
ARAZZOMCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
coinme-mcp.yml
MCP SERVEREvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Coinme Webhooks
ASYNCAPISecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 5
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 5
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
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Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API