| What it does | Monitoring for AI agents, cron jobs, and CI/CD pipelines that tracks started, progress, blocked and failed signals
| A fast, private and offline API client for REST, gRPC, GraphQL and WebSocket services
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| Stage | Growing
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| Founded | Not given
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| Based in | DE
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| Pricing model | Free
| Open source
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| Pricing | Free for individuals with no monitor cap. A paid team tier may come later with advance notice.
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| Key features | - MCP server with 50 tools for AI agents to create their own monitors
- Absence detection that opens incidents when expected signals never arrive
- Heartbeat monitoring for cron jobs via HTTP ping
- CI/CD pipeline monitoring via signed webhooks from GitHub Actions, GitLab CI, and Jenkins
- HTTP uptime probing for status code, latency, and keyword checks
- Nine alert destinations with routing matrix and flap damping
- Public status pages with embeddable badges
- Terraform provider for monitoring as code
- Agent registry and fleet view showing monitor status
- Output assertions catching successful runs that did nothing
| - REST and HTTP with every method, query and path params, JSON, XML, text, form-data, URL-encoded and binary bodies
- gRPC with server reflection or proto files, unary and server-streaming calls, metadata and trailers, TLS and mutual TLS
- GraphQL queries and variables with data and errors split out
- WebSocket text, JSON and binary messages with live message log
- Traffic proxy to capture HTTP(S) traffic of apps and phones
- Python scripting for pre and post-request scripts with tests
- Test cases and CI integration with chapar-cli
- Environments with variables and secret values encrypted with OS keychain
- Import Postman collections, OpenAPI specs and proto files
- Code generation for cURL, Python, Go, JavaScript, Java, Ruby and .NET
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| What makes it different | - No SDK, library, or YAML changes required; works with any language via HTTP requests
- Durable deadlines that survive restarts and never miss a check-in
- Free for individuals with no monitor cap, fully hosted with no infrastructure to manage
- Built by a systems engineer with DevOps experience who understands silent failures
| - Local-only data with no cloud sync or telemetry
- GPU-rendered native UI that starts quickly and runs on macOS, Linux and Windows without a browser engine
- Collections stored as YAML files in git for version control
- Built-in traffic proxy for inspecting and importing HTTP(S) traffic from other apps
- Free and open source under BSD 3-Clause license
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +3 (up) since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 7 | 5 |
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| Citation Flow (Majestic) | 20 | 26 |
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| Referring domains (Majestic) | 48 | 31 |
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LastPing
Chapar