Api Endpoint

Emboss

Fill a PDF form using facts found in supporting documents. Also: fill a PDF form from DOCX, spreadsheets, images, JSON, or other documents; pre-fill a government form from supporting paperwork; complete an application from a resume or company details; extract answers from context documents into a form. Price scales with page count; this 402 carries the exact amount for the PDF sent.

Open interactive test console

Offering

Provider
api.getemboss.ai
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.getemboss.ai/pay/fill-with-context
MIME type
application/json
First seen
2026-10-16T01:50:14.534Z
Last seen
Tags
pdf, forms, fill-pdf, form-filling, document-extraction, X402, MPP, Extraction

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.08 USDC
Atomic price: 80000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
80000 atomic units
Atomic price: 80000 · Network: eip155:1 · Asset: 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 · Scheme: exact
Payment option 3
0.08 USDC
Atomic price: 80000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 4
0.08 USDC
Atomic price: 80000 · Network: eip155:43114 · Asset: USDC · Scheme: exact
Payment option 5
0.08 USDC
Atomic price: 80000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 6
0.08 USDC
Atomic price: 80000 · Network: eip155:10 · Asset: USDC · Scheme: exact
Payment option 7
0.08 USDC
Atomic price: 80000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 8
80000 atomic units
Atomic price: 80000 · Network: eip155:130 · Asset: 0x078d782b760474a361dda0af3839290b0ef57ad6 · Scheme: exact
Payment option 9
80000 atomic units
Atomic price: 80000 · Network: eip155:146 · Asset: 0x29219dd400f2bf60e5a23d13be72b486d4038894 · Scheme: exact
Payment option 10
0.08 USDC
Atomic price: 80000 · Network: eip155:480 · Asset: USDC · Scheme: exact
Payment option 11
80000 atomic units
Atomic price: 80000 · Network: eip155:1329 · Asset: 0xe15fc38f6d8c56af07bbcbe3baf5708a2bf42392 · Scheme: exact
Payment option 12
80000 atomic units
Atomic price: 80000 · Network: eip155:999 · Asset: 0xb88339cb7199b77e23db6e890353e22632ba630f · Scheme: exact
Payment option 13
80000 atomic units
Atomic price: 80000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bda02913",
    "amount": "80000",
    "payTo": "0x57a4ba72d5cf3f4fe01c65a23aa449522d063869"
  },
  {
    "scheme": "exact",
    "network": "eip155:1",
    "asset": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:43114",
    "asset": "0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:10",
    "asset": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cef5e3811e1192ce70d8cc03d5c3359",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:130",
    "asset": "0x078d782b760474a361dda0af3839290b0ef57ad6",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:146",
    "asset": "0x29219dd400f2bf60e5a23d13be72b486d4038894",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "asset": "0x79a02482a880bce3f13e09da970dc34db4cd24d1",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:1329",
    "asset": "0xe15fc38f6d8c56af07bbcbe3baf5708a2bf42392",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:999",
    "asset": "0xb88339cb7199b77e23db6e890353e22632ba630f",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "80000",
    "payTo": "0xDc42cF04cc9979e426a8bCB6122a0DaA85D6e835"
  }
]

Observed health

Status
Reachable
Latest latency
41 ms
Average latency
155 ms
HTTP status
405
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "properties": {
        "pdf_url": {
          "type": "string",
          "format": "uri",
          "description": "public https URL of the PDF form to process"
        },
        "pdf_base64": {
          "type": "string",
          "contentEncoding": "base64",
          "description": "the PDF form as base64 (alternative to pdf_url)"
        },
        "context_base64": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "name",
              "base64"
            ],
            "properties": {
              "name": {
                "type": "string"
              },
              "base64": {
                "type": "string",
                "contentEncoding": "base64"
              }
            }
          },
          "description": "supporting documents as base64, repeatable"
        },
        "context_text": {
          "type": "string",
          "description": "free text with the facts to fill from"
        },
        "context_urls": {
          "type": "array",
          "items": {
            "type": "string",
            "format": "uri"
          },
          "description": "public https links to supporting documents, repeatable"
        },
        "policy": {
          "type": "string",
          "enum": [
            "safe",
            "strict"
          ],
          "description": "how sure Emboss must be before writing a value: safe (default) writes high and medium confidence, strict writes high only"
        },
        "mode": {
          "type": "string",
          "enum": [
            "one_call",
            "two_call"
          ],
          "description": "one_call (default) returns the finished PDF; two_call returns a proposal and a commit token so the caller can resolve open items before anything is written"
        },
        "package": {
          "type": "boolean",
          "description": "mode=two_call only: also produce a submission package at commit, priced into this quote"
        }
      },
      "required": [
        "pdf_url"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type"
  ]
}