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POST
/
mev
/
check-sandwich
Check Sandwich Attacks (Async)
curl --request POST \
  --url https://api.soltop.sh/mev/check-sandwich \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "signatures": [
    "48kLA6633tthDaBHTpzv9qXFkypFajpzyAd7hP8xRu8ggr8VhG5NXUKs7M2SYi57ntDKwPEqFgUGHrvXVd7pzFRE"
  ],
  "slot_range": 20
}
'
{
  "success": true,
  "jobId": "mev-sandwich-check-abc123-1773915254896",
  "status": "queued",
  "message": "Sandwich check started. Poll /mev/job-status/:jobId for updates."
}

Documentation Index

Fetch the complete documentation index at: https://docs.blockline.sh/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Supabase JWT authentication. Used for MEV Analysis and Write Locks endpoints. Requires an active subscription (trial, active, or grace_period status).

Body

application/json
​
signatures
required

Single transaction signature

Example:
[
  "48kLA6633tthDaBHTpzv9qXFkypFajpzyAd7hP8xRu8ggr8VhG5NXUKs7M2SYi57ntDKwPEqFgUGHrvXVd7pzFRE"
]
​
slot_range
integer
default:20

Slot range (±) to search for attackers. 0 = intra-slot only.

Required range: 0 <= x <= 1000

Response

Job submitted or cached result returned

Job queued

​
success
boolean
Example:

true

​
jobId
string
Example:

"mev-sandwich-check-abc123-1773915254896"

​
status
string
Example:

"queued"

​
message
string
Example:

"Sandwich check started. Poll /mev/job-status/:jobId for updates."