ApiMonth

Claude API via a monthly card

Redeem a credit pack, create your own API key, and call Chat Completions, Responses, or Anthropic Messages. Claude Code: ANTHROPIC_BASE_URL=https://api.apimonth.com with Claude, GPT, or Grok chat models. Gemini is not available in Claude Code.

ApiMonth is not an official Anthropic website.

Endpoints on this line

  • POST /v1/chat/completions
  • POST /v1/responses
  • POST /v1/messages
  • wss://api.apimonth.com/v1/responses

Claude image routes are not admitted on ApiMonth.

Example Chat Completions identifier: claude-sonnet-4-6. Query GET /v1/models for the currently admitted list.

Published rates

Chat figures are USD / 1M tokens; image models are USD / image. These are live sale rates (default 70% off, Gemini and GPT-5.6 Luna 20% off, Grok chat 50% off, every image model a flat $0.10; the current discount is the rate shown here), not an upstream invoice. New packs last 30 days; historical cards convert to a permanent USD balance. Cache writes are not part of the public billing claim.

Chat: USD / million tokens. Images: USD / image. Live billable prices, updated automatically; — means unavailable or unsupported.

  • Claude Opus 4.670% off
    claude-opus-4-6
    Context
    1,000k
    Input / 1M
    $1.50
    Output / 1M
    $7.50
    Cache read / 1M
    $0.15
  • Claude Sonnet 4.670% off
    claude-sonnet-4-6
    Context
    1,000k
    Input / 1M
    $0.90
    Output / 1M
    $4.50
    Cache read / 1M
    $0.09

First request

curl https://api.apimonth.com/v1/chat/completions \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer YOUR_APIMONTH_API_KEY' \
  -d '{"model":"claude-sonnet-4-6","messages":[{"role":"user","content":"Hello"}]}'

Full API quickstart · All models

Get a USD credit pack