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name rest-api-testing
description Test REST APIs with repeatable, file-based requests under <project>/setup/rest, with per-project endpoint and Bearer token presets, using the bundled api-rest CLI. Use when the user asks to manually call REST endpoints, replay requests reliably, add CI-friendly assertions, and record API test reports.

REST API Testing

Contract

Prereqs:

  • api-rest available on PATH (install via brew install nils-cli).
  • jq recommended for pretty-printing/assertions (optional).
  • setup/rest/ exists (or bootstrap from template) with requests and optional endpoint/token presets.

Inputs:

  • Request file path: setup/rest/requests/<name>.request.json.
  • Optional flags/env (runner): --env, --url, --token, --config-dir, --no-history (plus REST_URL, ACCESS_TOKEN, REST_JWT_VALIDATE_ENABLED, REST_JWT_VALIDATE_STRICT, REST_JWT_VALIDATE_LEEWAY_SECONDS).

Outputs:

  • Response JSON (or raw response) printed to stdout; errors printed to stderr.
  • Optional history file under setup/rest/.rest_history (gitignored; disabled via --no-history).
  • Optional markdown report via api-rest report.

Exit codes:

  • 0: request completed successfully (and assertions, if present, passed)
  • non-zero: invalid inputs/missing files/http error/assertion failure

Failure modes:

  • Missing curl, invalid request JSON, or missing endpoint configuration (REST_URL / endpoints env).
  • Auth missing/invalid (ACCESS_TOKEN / token profile) causing 401/403.
  • Network/timeout/connection failures.

Goal

Make REST API calls reproducible and CI-friendly via:

  • setup/rest/requests/*.request.json (request + optional expect assertions)
  • setup/rest/endpoints.env (+ optional endpoints.local.env)
  • setup/rest/tokens.env (+ optional tokens.local.env)
  • setup/rest/prompt.md (optional, committed; project context for LLMs)

TL;DR (fast paths)

Call an existing request (JSON only):

api-rest call \
  --env local \
  setup/rest/requests/<request>.request.json \
| jq .

If the endpoint requires auth, pass a token profile (from setup/rest/tokens.local.env) or use ACCESS_TOKEN:

# Token profile (requires REST_TOKEN_<NAME> to be non-empty in setup/rest/tokens.local.env)
api-rest call --env local --token default setup/rest/requests/<request>.request.json | jq .

# Or: one-off token (useful for CI)
REST_URL="https://<host>" ACCESS_TOKEN="<token>" \
  api-rest call --url "$REST_URL" setup/rest/requests/<request>.request.json | jq .

Replay the last run (history):

api-rest history --command-only

Generate a report (includes a replayable ## Command by default):

api-rest report \
  --case "<test case name>" \
  --request setup/rest/requests/<request>.request.json \
  --env local \
  --run

Generate a report from a copied api-rest/rest.sh command snippet (no manual rewriting):

api-rest report-from-cmd '<paste an api-rest/rest.sh command snippet>'

Flow (decision tree)

  • If setup/rest/prompt.md exists → read it first for project-specific context.
  • No setup/rest/ yet → bootstrap from template:
    • cp -R "$AGENT_HOME/skills/tools/testing/rest-api-testing/assets/scaffold/setup/rest" setup/
  • Have request file → run with api-rest call.
  • Need a markdown report → use api-rest report --run (or --response).

Notes (defaults)

  • History is on by default: setup/rest/.rest_history (gitignored); one-off disable with --no-history (or REST_HISTORY_ENABLED=false).
  • Requests can embed CI-friendly assertions:
    • expect.status (integer; required when expect is present)
    • expect.jq (optional; evaluated with jq -e against the JSON response)
  • Reports redact common secret-like fields by default (e.g. Authorization, Cookie, accessToken); use --no-redact only when necessary.
  • Prefer --config-dir setup/rest in automation for deterministic discovery.

References

  • Full guide (project template): skills/tools/testing/rest-api-testing/references/REST_API_TESTING_GUIDE.md
  • Report contract: skills/tools/testing/rest-api-testing/references/REST_API_TEST_REPORT_CONTRACT.md
  • Report template: skills/tools/testing/rest-api-testing/references/REST_API_TEST_REPORT_TEMPLATE.md
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