Check a SPEI payment
Retrieve the CEP for an authorized existing payment and inspect its signature and transaction binding.
Input
Operation date, tracking key, sending and receiving institution codes, account, amount and authorization reference.
Result
Task status, original-evidence availability, signature status and exact transaction binding. Pending or unavailable remains inconclusive.
Scope
Does not initiate a transfer or prove present account control, identity or a safe payout. Source access restrictions can delay a task.
Inspect a sample
Synthetic example · no live request or charge
{
"status": "pending",
"original_available": false,
"signature_status": "not_checked",
"transaction_binding": "not_checked",
"verified": false
}Price and access
250 MXN / 1000
Before tax. Existing product packages and quote rules apply; installing a Skill does not buy credit. Read current capabilities in the Console before a live call.
Approved package price; current delivery remains a limited trial. Package purchase and continuous paid execution are not enabled by this page.
Connect your assistant
python3 -m venv .venv
.venv/bin/python -m pip install "gridzen-developer-kit>=0.7.0"
.venv/bin/gridzen tools --product mx-cep
.venv/bin/gridzen setup --client codex --product mx-cep --project .
# Apply after reviewing the preview:
.venv/bin/gridzen setup --client codex --product mx-cep --project . --applyCodex · Claude · Cursor · VS Code · Copilot · Gemini · Cline · Roo Code · OpenCode
Set your merchant key in the local process environment. Never paste it into a conversation or commit it. Product profiles select visible tools; server permissions still apply.