Prismatic API/Docs/curl
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curl

Use raw HTTP requests for quick smoke tests, automation scripts and minimal server integrations.

Configuration

  • Export PRISMATIC_API_KEY in your shell before sending requests.
  • Use Authorization: Bearer $PRISMATIC_API_KEY for OpenAI-compatible endpoints.
  • Use x-api-key and anthropic-version for /v1/messages and /v1/messages/count_tokens.
  • Add Content-Type: application/json on every POST request.

Example

export PRISMATIC_API_KEY="pa_YOUR_KEY"
export PRISMATIC_BASE_URL="https://api.prismaticapi.com/v1"
curl https://api.prismaticapi.com/v1/chat/completions \
  -H "Authorization: Bearer $PRISMATIC_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "messages": [
      { "role": "system", "content": "You are a concise release assistant." },
      { "role": "user", "content": "Write three product taglines." }
    ],
    "stream": false,
    "max_tokens": 400
  }'
curl https://api.prismaticapi.com/v1/messages \
  -H "x-api-key: $PRISMATIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 400,
    "messages": [
      { "role": "user", "content": "Draft a deployment checklist." }
    ]
  }'

Recommended models

  • claude-sonnet-4-6 — strong model for reasoning, refactors and coding agents.
  • claude-haiku-4-5 — fast option for autocomplete, small questions and lightweight tasks.
  • deepseek-v3-2 or another public ID — alternative based on your active catalog and plan.

Troubleshooting

Authentication error

Check that the API key has no extra spaces and has not been revoked in the dashboard.

Model rejected

Use a public model ID returned by GET /v1/models; do not use labels or aliases.

Connection issue

Confirm the configured base URL is exactly the one shown above and that your network allows HTTPS to api.prismaticapi.com.

Notes

  • Use curl -N for streaming tests so chunks are printed as they arrive.
  • A 401 response means the API key is missing, revoked or invalid.
  • A 402 response means quota or PAYG funding blocked the request.
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