Mempool by address

GET /mempool/addresses/:address

List of mempool transactions where at least one of the transaction inputs or outputs belongs to the address. Shows only transactions submitted via Blockfrost.io.

Hosted Endpoint only available for hosted variant.

Request

Path Parameters

address 64-character case-sensitive hexadecimal string. required
Bech32 address.
Example: addr1qxqs59lphg8g6qndelq8xwqn60ag3aeyfcp33c2kdp46a09re5df3pzwwmyq946axfcejy5n4x0y99wqpgtp2gd0k09qsgy6pz

Query Parameters

count integer

Possible values: >= 1 and <= 100

Default value: 100

The number of results displayed on one page.

page integer

Possible values: >= 1 and <= 21474836

Default value: 1

The page number for listing the results.

order string

Possible values: [asc, desc]

Default value: asc

Ordered by the time of transaction submission. By default, we return oldest first, newest last.

Responses

• 200
• 400
• 403
• 404
• 418
• 429
• 500

---

Return the contents of the mempool

application/json

Schema

Example (from schema)

---

Schema

• Array [
tx_hash string required

Hash of the transaction

• ]

[
  {
    "tx_hash": "1a0570af966fb355a7160e4f82d5a80b8681b7955f5d44bec0dce628516157f0"
  }
]

Bad request

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 400,
  "error": "Bad Request",
  "message": "Backend did not understand your request."
}

Authentication secret is missing or invalid

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 403,
  "error": "Forbidden",
  "message": "Invalid project token."
}

Component not found

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 404,
  "error": "Not Found",
  "message": "The requested component has not been found."
}

IP has been auto-banned for extensive sending of requests after usage limit has been reached

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 418,
  "error": "Requested Banned",
  "message": "IP has been auto-banned for flooding."
}

Usage limit reached

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 429,
  "error": "Project Over Limit",
  "message": "Usage is over limit."
}

Internal Server Error

application/json

Schema

Example (from schema)

---

Schema

status_code integer required
error string required
message string required

{
  "status_code": 500,
  "error": "Internal Server Error",
  "message": "An unexpected response was received from the backend."
}

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