jsonrpcclient
Send JSON-RPC requests
Decision gist · record as of 2026-08-14
Yes, if you need lightweight JSON-RPC protocol support without external dependencies and can accept aging maintenance. The library is stable and does one thing well, but the lack of recent updates means it is best for projects with stable requirements rather than those expecting active development or rapid protocol evolution.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction install with no runtime dependencies.
- Maintenance is aging—last release was 2023-02-23 and the repository shows no recent activity, though it remains unarchived and the package supports current Python versions (3.6 through 3.11).
License · maintenance · safety
(unclear) — MIT license permits free use, modification, and distribution with minimal restrictions; no commercial or proprietary concerns.
last release 2023-02-23 (1268 days) · last repo commit 2025-12-30 · 127 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 139,062 downloads/mo, #11,310 on PyPI
Alternatives
Verify before relying
pip install jsonrpcclient
from jsonrpcclient import request, parse
req = request("ping")
parsed = parse({"jsonrpc": "2.0", "result": "pong", "id": 1})- Whether the package is actively maintained or in maintenance-only mode despite the aging status
- Performance characteristics or limits when handling large batches of requests or responses
- Compatibility with JSON-RPC 2.0 specification edge cases or extensions
What it is and what it does
jsonrpcclient is a lightweight Python library for constructing JSON-RPC request objects and parsing JSON-RPC responses according to the protocol specification. It has no runtime dependencies and works by taking method names and parameters, building properly formatted JSON-RPC 2.0 message structures, and then parsing responses back into typed result objects. The library is straightforward: call `request()` to generate a request dict, or `request_json()` for a JSON string; call `parse()` on a response dict or `parse_json()` on a JSON string to get back a result object.
The package is stable and minimal in scope—it does not handle network transport, authentication, or batching logic, leaving those concerns to the caller. It supports Python 3.6 through 3.11 and carries no external dependencies, making it easy to integrate into any project that needs to speak JSON-RPC. However, the project shows aging maintenance signals: the last release was in February 2023 and there have been no recent commits, so it is best suited for projects with stable, long-term JSON-RPC needs rather than those expecting active feature development.
Use it for
- Building a client to call methods on a JSON-RPC server (e.g., blockchain nodes, Ethereum providers) by generating properly formatted requests
- Parsing responses from JSON-RPC endpoints in a type-safe way without manually validating the protocol structure
- Integrating JSON-RPC protocol support into a larger application without pulling in heavy dependencies or transport layers
- Testing JSON-RPC server implementations by generating valid request objects and validating response parsing
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need lightweight JSON-RPC protocol support without external dependencies and can accept aging maintenance.
The library is stable and does one thing well, but the lack of recent updates means it is best for projects with stable requirements rather than those expecting active development or rapid protocol evolution.
Install
jsonrpcclient on PyPI
Before you install
Low friction install with no runtime dependencies. Maintenance is aging—last release was 2023-02-23 and the repository shows no recent activity, though it remains unarchived and the package supports current Python versions (3.6 through 3.11).
License in practice
MIT license permits free use, modification, and distribution with minimal restrictions; no commercial or proprietary concerns.
Quickstart
pip install jsonrpcclient
from jsonrpcclient import request, parse
req = request("ping")
parsed = parse({"jsonrpc": "2.0", "result": "pong", "id": 1})Verify before relying
- Whether the package is actively maintained or in maintenance-only mode despite the aging status
- Performance characteristics or limits when handling large batches of requests or responses
- Compatibility with JSON-RPC 2.0 specification edge cases or extensions
Package facts
| License | Not declared unclear |
| Python support | Supports the current Python release >=3.6 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Aging 1,268 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 139,062 / month, #11,310 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: jsonrpcclient-4.0.3-py3-none-any.whl
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