The mock catalog
Hosted mock APIs for the third-party services you build against. Each one is generated from the provider's published OpenAPI spec and served by the mockzilla engine. Free to curl, no signup required.
Stripe API
Mock the Stripe API for payments, subscriptions, and invoicing without test keys, webhooks, or rate limits.
HSBC Account Information API
Mock HSBC's UK Open Banking AIS: account access consents, balances, transactions, direct debits, and scheduled payments.
Vipps Recurring Payments
Mock the Vipps Recurring Payments API: draft agreements, activate subscriptions, charge customers, and replay the webhooks.
2C2P Payment Gateway
Mock 2C2P's PGW Payment API: initialize transactions, retrieve payment options, exchange rates, card token info, and Apple Pay merchant validation.
CoinStats API
Mock the CoinStats API: pull crypto prices, market data, exchange listings, and news for 8000+ coins without an API key.
Volt Real-time Payments
Mock Volt's real-time A2A payments API: initiate Open Banking payments, list banks, manage payouts and beneficiaries.
Jina AI
Mock the Jina AI embeddings, reranker, and multi-vector API so you can prototype RAG and retrieval flows without burning live tokens or hitting rate limits.
Hacker News
Mock the Hacker News Firebase API to feed simulated stories, comments, users, and ranked lists into demos and tests.
NASA TechPort
Mock NASA TechPort to browse simulated technology projects and organizations without hitting the live data feed.
XKCD
Mock the xkcd JSON API to test news readers, RSS feeds, and webcomic clients without hammering the live xkcd.com endpoints.
Paycor Public API
Mock the Paycor Public API to develop HR, payroll, and benefits integrations without a sandboxed Paycor tenant.
Viator
Mock the Viator partner API to simulate tour availability, pricing, booking, voucher, and cancellation flows without hitting the live merchant API.