Apidog vs Inception Mercury
Apidog and Inception Mercury are both developer tools tools. Apidog is aimed at developers and small businesses, while Inception Mercury is aimed at developers and enterprise. Both have a free plan.
All-in-one API design, testing, mocking and docs; a Postman rival
Diffusion LLM API built for very fast, low-latency text generation
| Pricing | Freemium · $12 | Freemium |
| Starting price | $12/mo | Not published |
| Free plan | Yes | Yes |
| Free trial | 14 days | — |
| Built for | Developers, Small businesses, Enterprise | Developers, Enterprise |
| Platforms | web, macos, windows, linux | web |
| Country | — | — |
| Rating | — | — |
Choose Apidog if
Small and mid-size engineering teams that want one spec-first tool for API design, debugging, testing, mocking and docs at a lower per-seat cost than Postman.
- Replaces several tools with one spec-first workspace
- Free for up to four users; paid seats cost less than Postman
- Imports Postman, Insomnia, OpenAPI, HAR, cURL and WSDL
Look elsewhere if: Companies whose main need is a polished public developer portal or strict design governance (ReadMe, Mintlify, Stoplight).
Choose Inception Mercury if
Developers building latency-sensitive agents, voice bots or coding tools who want a fast, cheap text model behind an OpenAI-compatible API.
- Very high output speed suits real-time and agent loops
- Low list price of $0.20 input and $0.70 output per million tokens
- 100 million free tokens with no card to start
Look elsewhere if: Teams that need multimodal models, open weights or the widest ecosystem of hosted tools (Gemini, DeepSeek, Claude).
Apidog vs Inception Mercury pricing
Apidog
- Free$0Up to 4 users; design, debug, test, mock and docs
- Basic$12/user/mo$9/user/mo billed annually; 3 custom domains
- Professional$24/user/mo$18/user/mo billed annually; unlimited change history
- Enterprise$27/user/moBilled annually; SSO, organizations; on-prem separately
Inception Mercury
- Free$0100M free tokens for new API keys, all models, no card
- Mercury 3$0.20 in / $0.70 out/1M tokensLaunch price 50% off: $0.10 in, $0.35 out; cached input $0.02
- Mercury Voice$0.40 in / $1.50 out/1M tokensLaunch price 50% off: $0.20 in, $0.75 out; enterprise access via sales
- Mercury Decide$0.04 in/1M tokensLaunch price 50% off: $0.02 in; output tokens free
- EnterpriseCustomCustom rate limits, SLA, volume pricing, dedicated capacity
Apidog · Key features
- Visual OpenAPI and JSON Schema designer with change history
- Request client for HTTP, GraphQL, gRPC, WebSocket, SOAP and SSE
- Postman-compatible pre and post scripts and database connections
- Visual test scenarios, scheduled runs and performance testing
- Schema-driven smart mocks, cloud mock and self-hosted runner mock
- Interactive API docs with custom domains and free readers
Cons
- Interface is dense and takes time for non-technical users
- Public docs portals are less polished than ReadMe or Mintlify
- Smaller community and plugin ecosystem than Postman
Inception Mercury · Key features
- Mercury 3 diffusion LLM with a 1M-token context window
- Measured 1,068 tokens per second output on NVIDIA GPUs
- Adjustable reasoning effort to trade speed against thoroughness
- Tool calling with parallel and chained calls for agents
- Mercury Voice with under 170 ms time-to-first-token for voice agents
- Mercury Decide classification model with calibrated probabilities
Cons
- Quality claims against rivals come without published benchmark scores
- Text-focused lineup with no image or video generation
- Launch discount has no stated end date, so costs may double
Apidog vs Inception Mercury: FAQ
Do Apidog and Inception Mercury have a free plan?
Yes, both Apidog and Inception Mercury have a free plan; paid plans add more usage and features.
Which is better for small businesses, Apidog or Inception Mercury?
Apidog lists small businesses as a core audience, while Inception Mercury is aimed more at developers and enterprise.