API.market vs Postman

API.market is a marketplace for discovering, testing, integrating, listing, and monetizing APIs and AI models. Its catalog advertises more than 590 APIs and AI models, along with more than 3,670 API tools accessible through one MCP connection. Buyers can try APIs in a Playground without setup or SDKs and use auto-generated apps to interact with them. The service describes unified access through one API key, usage-based billing, and real-time metrics. Sellers can import an OpenAPI specification, set subscription, pay-per-use, or tiered pricing, and generate product documentation, a test console, and an MCP endpoint. Their tools include pricing and subscription management, usage metering, rate limits, invoicing, versioning, and revenue monitoring. API.market proxies requests and handles authentication, billing, rate limiting, and analytics. Free seller listings have no listing or monthly platform fee; sellers keep 80% of sales, with a platform fee up to 20%, renegotiable above $2,500 MRR. Enterprise AI model licensing starts at $599 per month, plus a one-time $299 deployment and integration fee.

Postman is a platform for building, exercising, sharing, documenting, and monitoring APIs. Its API client handles multiple protocols and includes authentication, response inspection and visualization, variables, environments, and request history. For API design, it supports specifications, mock servers, importing definitions, multiple definition formats, and third-party integrations. Testing options include collection runs and automated, integration, performance, regression, and end-to-end testing, with Postman CLI also available. Listed integrations include Jira, Slack, GitHub, GitLab, Microsoft Teams, VS Code, Amazon API Gateway, AWS Secrets Manager, and 1Password Vault. Postman describes local secret protection, cloud detection, runtime resolution, and connections to secret-management services. Its stated compliance credentials include SOC 2 Type II, PCI DSS, HIPAA, GDPR, and others. It says customer data is not used to train its models and Enterprise teams control AI access and usage. The Free plan includes 50 AI credits. Solo is $9 a month, billed annually. Basic and Professional plans are closed to new customers; existing Professional customers retain their current plan and pricing.