# Guardarian > Best place to buy over 1000 crypto Guardarian is a fiat-to-crypto exchange service provider. It lets users buy, sell, and swap cryptocurrencies using bank transfers, cards, and other payment methods without requiring an account. Guardarian is a fiat-to-crypto exchange service provider that connects traditional payment methods with digital asset markets. It allows individuals to buy, sell, and swap a wide range of cryptocurrencies using bank transfers, card payments, and other local payment options, generally without requiring account registration. The service is aimed at everyday crypto buyers as well as businesses seeking to accept or cash out digital assets. The platform addresses the friction of moving between fiat currencies and crypto by offering transparent exchange rates and processing transactions through a non-custodial model, so funds move directly to a user's own wallet rather than being held by the service. It operates internationally, serving customers across many countries and supporting numerous fiat currencies, and is licensed and regulated in the jurisdictions where it provides services. Beyond its consumer-facing buy and sell tools, Guardarian offers on-ramp and off-ramp integration through a customizable widget and an API, allowing other platforms to embed crypto exchange functionality for their own users. It also provides business-focused exchange services, including tools for companies to accept crypto payments, manage custody, and cash out digital asset holdings. The service is used by individual crypto buyers, integration partners, and businesses handling crypto-related payments. - Type: Company - Sector: Payments - Status: Active - Founded: 2017-01-01 - Profile: https://thegrid.id/profiles/guardarian ## Products - [Guardarian On/Off Ramp Exchange](https://thegrid.id/profiles/guardarian): Guardarian On/Off Ramp is a fiat-to-crypto and crypto-to-fiat exchange that lets users buy, sell, and swap cryptocurrencies using bank transfers, cards, and digital wallets across multiple fiat currencies. The service also supports transactions in tokens backed by real-world assets such as treasuries and real estate. Users select a currency pair, submit a wallet address, and receive funds through a compliance-integrated conversion process. It serves individual users seeking straightforward crypto access without requiring an account for basic exchanges. (On/Off Ramp, Live, Main Product) - [Guardarian API](https://thegrid.id/profiles/guardarian): Guardarian API is a developer integration tool that lets businesses embed fiat-to-crypto exchange functionality directly into their own applications. It exposes endpoints for real-time exchange rate estimation, transaction creation, and status tracking, allowing partners to build a complete conversion flow. Documentation covers the full exchange process including multiple payment methods. (OnChain Data API, Live) - [Guardarian Widget](https://thegrid.id/profiles/guardarian): Guardarian Widget is an embeddable interface component that businesses can insert into their websites to enable direct cryptocurrency purchases without technical development. The widget is customizable in size, direction, and theme, and connects to the underlying exchange to complete transactions. It provides a plug-and-play alternative to full API integration for partners seeking a faster setup. (Developer Tooling, Live) - [Guardarian G-OTC](https://thegrid.id/profiles/guardarian): Guardarian G-OTC is an over-the-counter trading service that facilitates high-volume cryptocurrency transactions for institutional clients and businesses through private, negotiated deals. Users submit a request, receive personalized rate offers from a dedicated account manager, and execute transactions with extended limits outside the standard exchange flow. The service targets large-scale traders seeking preferential rates and dedicated support. (OTC, Live) - [Guardarian Crypto Cards](https://thegrid.id/profiles/guardarian): Guardarian Crypto Cards were physical and virtual debit cards enabling cryptocurrency holdings to be spent globally through automatic conversion to fiat at point of sale. Cards supported personal and corporate accounts with configurable spending limits. The product page is no longer accessible, indicating the offering has been discontinued. (Card, Discontinued) - [Guardarian Token Listing](https://thegrid.id/profiles/guardarian): Guardarian Token Listing is a business service that enables cryptocurrency and tokenized real-world asset projects to list their tokens for fiat trading access on the Guardarian platform. Projects integrate through the existing widget and API to reach users across multiple fiat currencies and payment methods, with affiliate revenue arrangements available. The service targets token issuers and RWA platforms seeking distribution and liquidity. (Service Provider, Live) - [G-Custody](https://thegrid.id/profiles/guardarian): G-Custody is an enterprise custody technology offering cold wallet storage, multi-signature security, and AML/KYC-compliant transaction handling for businesses managing digital assets. Companies integrate through a REST API to receive, store, convert, and manage holdings across multiple cryptocurrencies while relying on regulatory compliance and monitoring tools. Businesses configure account cohorts and track portfolios through the same integration. (Custody Technology Provider, Live) - [G-Payments](https://thegrid.id/profiles/guardarian): G-Payments is a merchant payment gateway that enables businesses to accept both cryptocurrency and fiat payments through a single API-integrated checkout. Merchants issue invoices, customers select their preferred payment method, and the system converts and settles funds to a bank account or crypto wallet automatically. It targets e-commerce, media, and gaming businesses seeking compliant multi-network payment acceptance. (Merchant Payment Gateway, Live) - [G-OnePay](https://thegrid.id/profiles/guardarian): G-OnePay provides users with a single permanent cryptocurrency deposit address that automatically converts incoming crypto to fiat and settles the proceeds to a linked bank account. Users complete verification once, connect their bank details, and reuse the same address indefinitely instead of generating new addresses for each transfer. It is designed for individuals and businesses handling recurring or high-volume settlements. (On/Off Ramp, Live) - [G-Swaps](https://thegrid.id/profiles/guardarian): G-Swaps is a crypto-to-crypto swap product listed among Guardarian's offerings, accessible via its own dedicated page. Limited public content is available describing its specific mechanics beyond the swap function already present in the core exchange interface. (Decentralised Exchange, Live) ## Links - [Main](https://guardarian.com) - [Documentation](https://guardarian.com/api-doc) - [Media Kit/branding](https://guardarian.com/press-and-media#brand-assets) - [Blog](https://guardarian.com/blog) - [Privacy policy](https://guardarian.com/privacy-policy) - [Terms of Service](https://guardarian.com/terms-of-service) - [Twitter / X](https://x.com/guardarian_com) - [YouTube](https://www.youtube.com/@Guardarian_com) - [LinkedIn](https://www.linkedin.com/company/guardarian) - [Facebook](https://www.facebook.com/Guardariancom) - [Medium](https://guardarian.medium.com) - [Reddit](https://www.reddit.com/r/Guardarian) ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. Derivative databases must be shared under ODbL terms. Trademarks, logos, and brand names (marked "Special TPIP") are not covered by the ODbL. For ML/AI use: training datasets that substantially extract ODbL data are Derivative Databases and must be shared under ODbL if publicly used; models must be attributed in documentation. Model 2 - commercial licenses. The Grid Data Service (TGDS) is also available as a commercial license. See [Web Services Terms](https://about.thegrid.id/legal/web-services-terms) for commercial use that is not covered by the open data service. The following applies to both licensing models. - All data is provided AS IS with no guarantees of accuracy. - The Grid does not provide investment, legal, or tax advice, and - a project's presence in The Grid's data does not imply endorsement. - [Data Licensing & Disclaimers](https://about.thegrid.id/legal/data-licensing-and-disclaimers): Licensing models and disclaimers - [Open Data (ODbL)](https://about.thegrid.id/legal/open-data): Open Database License terms and scope for The Grid's open data service. - [Attribution Guidelines](https://about.thegrid.id/legal/open-data-attribution-guidelines): How to attribute The Grid's data when using the open data service. - [Web Services Terms](https://about.thegrid.id/legal/web-services-terms): commercial Terms for using data services. - [All Legal Documents](https://about.thegrid.id/legal): Full index of terms, policies, and disclosures ## Optional - [TGS Field Descriptions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-field-descriptions.md): Schema field definitions for The Grid's data model - [TGS JSON Structure](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-json-structure.md): Data model structure and relationships - [Product Type Definitions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-definitions.md): Definitions for each product type - [Product Type Classification](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-classification.md): Guide for classifying products into types - [Grid MCP Guide](https://github.com/The-Grid-Data/workspace-public/blob/main/grid-search/skills/grid-query/references/grid-mcp-guide.md): How to query The Grid programmatically via MCP