WritersAPI docs

curl https://writersapi.com/v1/write \
  -H "Authorization: Bearer $WRITERSAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Write about the reopening of the Lekki toll bridge after repairs.",
    "template": "article",
    "style": "journalistic",
    "length": "medium"
  }'

Authorization: Bearer wapi_XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

{
  "success": true,
  "data": {
    "id": "req_8213",
    "content": "# Lekki toll bridge reopens...",
    "format": "markdown",
    "truncated": false,
    "citations": [],
    "model": { "id": "gpt-6.1-sol", "family": "chatgpt", "provider": "openrouter" },
    "requested_model": "auto",
    "fallback_used": true,
    "upgraded_from": null,
    "attempts": [
      { "model": "gemini-3.8-flash", "outcome": "unavailable", "latency_ms": 30012 },
      { "model": "gpt-6.1-sol", "outcome": "ok", "latency_ms": 6240 }
    ],
    "usage": {
      "input_tokens": 412,
      "output_tokens": 903,
      "cost_usd": 0.010341,
      "provider_cost_usd": 0.009849,
      "billing": "hosted"
    }
  }
}

{
  "success": true,
  "data": {
    "id": "req_8214",
    "image": { "b64_json": "iVBORw0KGgo...", "mime_type": "image/png" },
    "aspect_ratio": "16:9",
    "model": { "id": "flux-2-pro", "family": "flux", "provider": "bfl" },
    "fallback_used": false,
    "attempts": [{ "model": "flux-2-pro", "outcome": "ok", "latency_ms": 9120 }],
    "usage": { "input_tokens": 0, "output_tokens": 0, "cost_usd": 0.0315, "provider_cost_usd": 0.03, "billing": "hosted" }
  }
}

{
  "success": true,
  "data": {
    "key": "Example News", "billing": "hosted", "month": "2026-10",
    "requests": 1840, "errors": 3, "input_tokens": 905112, "output_tokens": 1630442,
    "images": 212, "cost_usd": 24.18, "budget_usd": 100, "rate_per_minute": 60
  }
}

{
  "success": false,
  "code": "all_models_failed",
  "message": "No model could complete this request right now. Retry shortly.",
  "attempts": [
    { "model": "gemini-3.8-flash", "outcome": "unavailable", "latency_ms": 30010 },
    { "model": "gpt-6.1-sol", "outcome": "rate-limit", "latency_ms": 412 }
  ]
}

const res = await fetch("https://writersapi.com/v1/write", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.WRITERSAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    prompt: "Five ways small shops can cut energy bills this winter.",
    template: "listicle",
    language: "English",
    format: "html",
  }),
  signal: AbortSignal.timeout(7 * 60 * 1000),
});
const body = await res.json();
if (!body.success) throw new Error(`${body.code}: ${body.message}`);
console.log(body.data.model.id, body.data.content);

$ch = curl_init("https://writersapi.com/v1/write");
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_TIMEOUT => 420,
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer " . getenv("WRITERSAPI_KEY"),
    "Content-Type: application/json",
  ],
  CURLOPT_POSTFIELDS => json_encode([
    "prompt" => "Announce our new office in Accra.",
    "template" => "press-release",
  ]),
]);
$body = json_decode(curl_exec($ch), true);
echo $body["success"] ? $body["data"]["content"] : $body["message"];

import os, requests

r = requests.post(
    "https://writersapi.com/v1/images",
    headers={"Authorization": f"Bearer {os.environ['WRITERSAPI_KEY']}"},
    json={"prompt": "A quiet harbour at dawn", "aspect_ratio": "16:9", "style": "editorial"},
    timeout=300,
)
body = r.json()
if body["success"]:
    import base64
    open("harbour.png", "wb").write(base64.b64decode(body["data"]["image"]["b64_json"]))